Simplifying
6x + -18 = 54
Reorder the terms:
-18 + 6x = 54
Solving
-18 + 6x = 54
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '18' to each side of the equation.
-18 + 18 + 6x = 54 + 18
Combine like terms: -18 + 18 = 0
0 + 6x = 54 + 18
6x = 54 + 18
Combine like terms: 54 + 18 = 72
6x = 72
Divide each side by '6'.
x = 12
Simplifying
x = 12
Final Result: 12