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Using algebra the number works out as 25

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โˆ™ 2015-02-17 14:57:20
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Q: You are thinking of a number you multiply it by 13 and subtract 209 you get the same answer if you multiply by 5 and subtract 9 what is your number?
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You are thinking of a number you multiply it by 8 and add 12 you get the same answer when you multiply it by 2 and add 120 what is the number?

1


You are thinking of a number you multiply it by 13 and subtract it by 119 you get the same answer if you multiply by 3 and subtract 9 what is your number?

Let the unknown number be x: 13x-119 = 3x-9 13x-3x = -9+119 10x = 110 x = 11 Substituting the value of x into original equation: 24 = 24


How do you subtract and multiply in l ml?

it is the same thing


What single digit number can you multiply by 4 subtract 3 divide by 5 and add 2 to arrive at the same number that you started with?

7


Why does the denominator has to be the same?

it makes it eaiser to add subtract or divide or multiply


Does an inequality sign change in an equation when both sides are multipled or divided by negative number?

The sign changes if you multiply/divide by a negative number. It stays the same if you add/subtract by a negative number.


You are thinking of a number you multiply it by 5 and add 22 you get the same answer if you multiply by 2 and add 76 What is your number?

5x + 22 = 2x + 76Subtract 2x from each side:3x + 22 = 76Subtract 22 from each side:3x = 54Divide each side by 3:x = 18


How to subtract a fraction from a whole number?

Change the whole number into an improper fraction with the same denominator as the fraction and then subtract accordingly


How do you subtract fractrions?

First, to subtract fractions, you need to make sure that the both have a common denominator. By this, I mean that they need to have the same number on the bottom of the fraction. If they are not the same, you need to multiply. Say you had this problem: 4/5 - 1/3 You will notice they don't have a common denominator. To make sure that the bottom is the same number, multiply 4/5 by 3 and 1/3 by 5. When you multiply, you do this to both the top and the bottom number. The problem now looks like this: 12/15 - 5/15 Now you're ready to subtract! All you have to do is subtract the top numbers, and keep the bottom ones the same. So: 4/5 - 1/3 = 7/15


What is adding or subtracting two related quantities by the same number called?

It is called algebra. When two quantities are related as long as you do the same operation to both (add, subtract, multiply, or divide) you do not change the relation


What can you multiply to get the same answer when you multiply 18 times blank and then 27 times blank?

you multiply 27 times a number then you multiply 18 times a different number and see if they come out with the same answer.


What is it called when you multiply or divide two quantities by the same number?

Scaling is when you multiply or divide two quantities by the same number.


What do you do when you have to multiply or divide two quantities by the same number?

You multiply or divide the first quantity by the number and then you do the same for the other quantity.


What are the properties in solving equations and inequations?

You can add, subtract, multiply, or divide both sides of the equation or inequality by the same number. Don't multiply or divide by zero. In the case of an inequality, if you multiply or divide by a negative number, the sign of the inequality must be reversed. E.g., if you multiply both sides by -2, a "less-than" sign should be replaced by a "greater-than" sign.


You get the same result if you multiply a number by 7 or if you multiply the number by 2 and then add 20 Find the number?

Suppose the number is x. Then 7x = 2x + 20 Subtract 2x from both sides: 5x = 20 Divide both sides by 5: x = 4


No matter what number you begin with you'll end up with the same answer?

Pick a number between 8 and 20. double that number. subtract 16 from that answer. Multiply that result by 4. Divide that total by 8. add 15 to that answer. subtract the number that you started with.


1.Write a number down 1-9 2.Multiply by 2 3.Add 12 4.Subtract 4 5.Divide by 2?

The sAme you started with.


What five digits number when you multiply by four is the same the number when you reversed it?

five digits number when you multiply by four is the same the number when you reversed it is 21978*4 = 87912


Is it true to multiply a number by that number and get the same number?

It is possible.


What If the denominator is not the same?

Multiply the denominators to equal numbers, then multiply by the same number for the numerator. Then solve.


What happens when a multiply a number by 1?

When you multiply a number by 1, you get the same number back. Ex. 10x1=10


How do you subtract fractions with a common denominator?

If the two bottom numbers are the same, you will carry that same number over to the denominator in the answer. To get the numerator (top number) simply subtract the two numerator and place the number over the answer denominator.


Why does a number get smaller when you multiply by a proper fraction?

When you multiply a number by 1, it stays the same. When you multiply a number by a number greater than 1, it increases. When you multiply a number by a number that is less than 1 (a proper fraction), it decreases.


What is the number when you add or multiply by itself you get the same number?

Prime number


You will start and end with the same number every time you subtract what?

Each time you subtract zero you will begin and end with the same number - ie, the original amount.