-3x-3=18

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Solution for -3x-3=18 equation: 


Simplifying
-3x + -3 = 18

Reorder the terms:
-3 + -3x = 18

Solving
-3 + -3x = 18

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '3' to each side of the equation.
-3 + 3 + -3x = 18 + 3

Combine like terms: -3 + 3 = 0
0 + -3x = 18 + 3
-3x = 18 + 3

Combine like terms: 18 + 3 = 21
-3x = 21

Divide each side by '-3'.
x = -7

Simplifying
x = -7

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