Question

- 3x +5 = - 8x - 7

Answer 1

First, you have to rewrite your problem.
Start by subtracting 5 from both sides to get -3x=-8x-12
Then, add the 8x to both sides to get 5x=-12

Answer 2

Now you have to get the x alone
Do this by dividing each side by 5
x= -2.4