Question

2 (3-x) = 3 (x-4) + 15

Answer 1

2(3-x) = 3(x-4)+15
6-2x = 3x-12+15
-2x-3x = -12+15-6
-5x = 3-6
(-5x = -3) ×(-1)
5x = 3
x = 3/5
Espero ter ajudado! :-)

Answer 2

2 (3-x) = 3 (x-4) + 15

6 - 2x = 3x - 12 + 15

6 - 2x = 3x + 3

- 2x - 3x = 3 - 6

- 5x = - 3 (- 1)

5x = 3

x= 3/5