12-54=-3x-6x

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Solution for 12-54=-3x-6x equation:


Simplifying
12 + -54 = -3x + -6x

Combine like terms: 12 + -54 = -42
-42 = -3x + -6x

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

Solving
-42 = -9x

Solving for variable 'x'.

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

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

Combine like terms: -9x + 9x = 0
-42 + 9x = 0

Add '42' to each side of the equation.
-42 + 42 + 9x = 0 + 42

Combine like terms: -42 + 42 = 0
0 + 9x = 0 + 42
9x = 0 + 42

Combine like terms: 0 + 42 = 42
9x = 42

Divide each side by '9'.
x = 4.666666667

Simplifying
x = 4.666666667

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