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5+y=12
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The sum of 4 and a number y?
4 + y.
The sum of 16 and a number?
16 + x = y
What two digit number added to Y given a sum of Y?
There is no two digit number which, when added to Y gives Y.
What is the equation for the sum of two numbers is 22 their difference is 12?
x + y = 22 x - y = 12 x = 17 y = 5
How do you find the missing numbers in a sum or difference?
In an addition sum, if the missing number is the first number, for example, x + 5 = 10, then to find x, perform the sum 10 - 5, producing the solution x = 5. In a subtraction sum, if the missing number is the second number, for example, 7 - y = 4, then to find y, perform the sum 7 - 4 = 3, production the solution y = 3.
The sum of 4 and a number y?
4 + y.
Three times one number minus a second is eight and the sum of the numbers is twelve?
3x-y=8 x+y=12 3x(12-x)=8 3x-12+x=8 4x-12=8 4x=20 x=5 x+y=12 5+y=12 y=7
The sum of 16 and a number?
16 + x = y
The sum of a two digit number is 12 the tens' digit is 2 more than the units digit. find the number.?
Let the tens digit be x, and ones digit be y. So we have: x + y = 12 x = y + 2 Substitute y + 2 for x to the first equation: x + y = 12 (y + 2) + y = 12 y + y + 2 - 2 = 12 - 2 2y = 10 2y/2 = 10/2 y = 5 the ones digit y + 2 = 5 + 2 = 7 the tens digit Thus, the number is 75.
What two digit number added to Y given a sum of Y?
There is no two digit number which, when added to Y gives Y.
The sum of two number is 20 and their difference 4 Find the numbers?
x+y=20 x-y=4 2x=24 x=12 y=8
If the sum of two numbers is 12 and the product is 24 What is the sum of the reciprocals?
1/x+1/y y/xy+x/xy x+y/xy=12/24 12/24=1/2 1/2 is the answer.
One number is 5 less than 3 times a second number with a sum of 43.?
x=3y-5 x+y=43 3y-5+y=43 2nd Number: 12 1st Number: 31
In Maths how do you work out algebra?
You have to find out what the unknown number is. Example: x= 2y-4 y=12 What this is saying is you have to find out what x is if y is 12. So the sum reads 2x12-4. X=20
The sum of two number is sixthe sum of the squares of the two number is twenty?
x+y=6x^2 + y^2=20 x=2 and y=4 or vice versa
The sum of a number and 70?
y=x+70
What is the equation for the sum of two numbers is 22 their difference is 12?
x + y = 22 x - y = 12 x = 17 y = 5
