Question

12x - 15 = 6 - 3x =

what value of x makes this equation true?
7/5
7/3
5/7
3/7 ???

Answer 1

Explanation:

12+3x=15+6

15x=21

x=21/15

cut by 3

7/5

Answer 2

`{ \tt{12x - 15 = 6 - 3x = { \bold{{x={/frac{7}{5}}}}}}`

12x - 15 = 6 - 3x

15x = 6 + 15

x = 7/5.