Question

What is the value of the expression below when w=9 and x=8
9w-7x

Answer 1

25

Explanation:

To find the value of the expression, all you have to do is plug 9 in for w and plug 8 in for x.

When you plug the numbers in, your equation should look like 9(9)-7(8)

Then you just simplify the expression and get your answer of 25

`9(9)-7(8)\\81-56\\25`