-3x-99=57+9x

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Solution for -3x-99=57+9x equation:


Simplifying
-3x + -99 = 57 + 9x

Reorder the terms:
-99 + -3x = 57 + 9x

Solving
-99 + -3x = 57 + 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.
-99 + -3x + -9x = 57 + 9x + -9x

Combine like terms: -3x + -9x = -12x
-99 + -12x = 57 + 9x + -9x

Combine like terms: 9x + -9x = 0
-99 + -12x = 57 + 0
-99 + -12x = 57

Add '99' to each side of the equation.
-99 + 99 + -12x = 57 + 99

Combine like terms: -99 + 99 = 0
0 + -12x = 57 + 99
-12x = 57 + 99

Combine like terms: 57 + 99 = 156
-12x = 156

Divide each side by '-12'.
x = -13

Simplifying
x = -13

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