Question

quanto q da com as contas?

Answer 1

3-2x-6=x-18
-3-2x=x-18
3x=15
x=15/3
x=5

Answer 2

3 -2x -6 = x - 18
3 - 6 + 18 = x + 2x
-3 + 18 = 3x
15 = 3x
3x = 15
x = 15/3
x = 5