-18-3x=-57

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Solution for -18-3x=-57 equation: 


Simplifying
-18 + -3x = -57

Solving
-18 + -3x = -57

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 + -3x = -57 + 18

Combine like terms: -18 + 18 = 0
0 + -3x = -57 + 18
-3x = -57 + 18

Combine like terms: -57 + 18 = -39
-3x = -39

Divide each side by '-3'.
x = 13

Simplifying
x = 13

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