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Subtracting 11 from four times a certain number gives the same result as subtracting two times the number from 7?
4
How are addition and subtraction stories alike?
Addition and subtraction can be thought of as the same thing because subtracting a negative number is the same as adding it and adding a negative number is the same as subtracting it.
Subtracting -3 from a number is the same as adding what number?
the answer is that you should get a LIFE!
Is subtracting a negative number the same thing as adding a positive number?
yes
When subtracting a negative number why do you move to the right on the number line instead of the left?
Subtracting a negative number is the same as adding a positive number. Also, adding a negative number is the same as subtracting a positive number. -7 + (-5) = -7 - 5 = -12 -7 - (-5) = -7 + 5 = -2
What is -10 x - 4 plus - 8 equals?
The answer is 32. A negative number times a negative yields a positive. Adding a negative number is the same as subtracting a positive.
Why does 31- -20 equals 51?
Because subtracting a negative number is the same as adding a positive number. Subtracting -20 is the same as adding +20. 31 - (-20) = 31 + 20 = 51
What must each number have when adding and subtracting scientific numbers?
same number of significant digits
What is a negative subtracted by a negative?
Subtracting a negative number has the same effect as adding a positive number - think of it as moving right on a number line whereas, subtracting a positive number will move you left on a number line.
The sum of twice a number and 4 times the same number?
Let's call the number XTwice the number would be 2XFour times the same number would be 4XThe sum of these two is 2X + 4X = 6XThe answer is therefore six times the number.
Is adding or subtracting two related quantities by the same number is called scaling?
No, it is not.
When subtracting and adding integers how do you decide what the sign of the answer will be?
The answer will have the same sign as the number with the larger magnitude.
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