How do you solve -9( x - 5) = 4x - 7?

1 Answer
Oct 27, 2016

x= 4

Explanation:

We develop the first part:
-9x + 45 = 4x - 7

We bring the x-terms together on one side and the constants together on the other side:

9x + 4x = 45 + 7

We simplify on each side by calculating:

13x = 52

x = 52/13

x = 4