-3x-15=57

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Solution for -3x-15=57 equation: 


Simplifying
-3x + -15 = 57

Reorder the terms:
-15 + -3x = 57

Solving
-15 + -3x = 57

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + -3x = 57 + 15

Combine like terms: -15 + 15 = 0
0 + -3x = 57 + 15
-3x = 57 + 15

Combine like terms: 57 + 15 = 72
-3x = 72

Divide each side by '-3'.
x = -24

Simplifying
x = -24

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