-3x+12-3x=54

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Solution for -3x+12-3x=54 equation:


Simplifying
-3x + 12 + -3x = 54

Reorder the terms:
12 + -3x + -3x = 54

Combine like terms: -3x + -3x = -6x
12 + -6x = 54

Solving
12 + -6x = 54

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + -6x = 54 + -12

Combine like terms: 12 + -12 = 0
0 + -6x = 54 + -12
-6x = 54 + -12

Combine like terms: 54 + -12 = 42
-6x = 42

Divide each side by '-6'.
x = -7

Simplifying
x = -7

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