Question

3( 6x - 1) = 12

Answer 1

3( 6x - 1)=18x-3
18x-3=12
18x=12+3
18x=15
x=15/18
x=5/6

Answer 2

18x-3=12, add 3 to both sides, 18x=15, divide both sides by 18, x=1.2

Answer 3

@uri since it is already a negative 3 you add 3 to both sides instead of subtracting 3 from 12 :)