12-9x=-42-6x

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Solution for 12-9x=-42-6x equation:


Simplifying
12 + -9x = -42 + -6x

Solving
12 + -9x = -42 + -6x

Solving for variable 'x'.

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

Add '6x' to each side of the equation.
12 + -9x + 6x = -42 + -6x + 6x

Combine like terms: -9x + 6x = -3x
12 + -3x = -42 + -6x + 6x

Combine like terms: -6x + 6x = 0
12 + -3x = -42 + 0
12 + -3x = -42

Add '-12' to each side of the equation.
12 + -12 + -3x = -42 + -12

Combine like terms: 12 + -12 = 0
0 + -3x = -42 + -12
-3x = -42 + -12

Combine like terms: -42 + -12 = -54
-3x = -54

Divide each side by '-3'.
x = 18

Simplifying
x = 18

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