Answer: x + 5
Step-by-step explanation:
(4.5x-5) -(3.5x -10)
When you have a subtraction sign outside the parenthesis, everything inside the parenthesis becomes its opposite. Let's open the parenthesis this way.
(4.5x-5) -(3.5x -10)
= 4.5x-5 - 3.5x + 10 (3.5x becomes its opposite (-3.5x) and -10 becomes 10)
Reorder
4.5x - 3.5x - 5 + 10
x - 5 + 10
x + 5
That's how you get x + 5.
