Please help me with this

Question

12x = -8
-15 = -3x/5
x -2/3 = 3/8
Thank you
BJ

Answer 1

I'll let you figure out the first problem.

-15 = -3x/5

-15 * 5 = -3x

-75 = -3x

25 = x
~~~~~~~~~~~~~~~~~~~~~~~~
x -2/3 = 3/8

x = 2/3 + 3/8

x = 16/24 + 9/24

x = 25/24 = 1 1/24