Answer:
x = - 3
Step-by-step explanation:
1 + x - 1 + 12x = 12x - 3
Subtract 12x from both sides.
1 + x - 1 = - 3
Combine like terms on the left side.
1+x-1+12x=12x-3
x+12x-12x=-3-1+1
x=-3