12x-27-15x=57

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Solution for 12x-27-15x=57 equation:


Simplifying
12x + -27 + -15x = 57

Reorder the terms:
-27 + 12x + -15x = 57

Combine like terms: 12x + -15x = -3x
-27 + -3x = 57

Solving
-27 + -3x = 57

Solving for variable 'x'.

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

Add '27' to each side of the equation.
-27 + 27 + -3x = 57 + 27

Combine like terms: -27 + 27 = 0
0 + -3x = 57 + 27
-3x = 57 + 27

Combine like terms: 57 + 27 = 84
-3x = 84

Divide each side by '-3'.
x = -28

Simplifying
x = -28

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