3x-99-12x=117

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Solution for 3x-99-12x=117 equation:


Simplifying
3x + -99 + -12x = 117

Reorder the terms:
-99 + 3x + -12x = 117

Combine like terms: 3x + -12x = -9x
-99 + -9x = 117

Solving
-99 + -9x = 117

Solving for variable 'x'.

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

Add '99' to each side of the equation.
-99 + 99 + -9x = 117 + 99

Combine like terms: -99 + 99 = 0
0 + -9x = 117 + 99
-9x = 117 + 99

Combine like terms: 117 + 99 = 216
-9x = 216

Divide each side by '-9'.
x = -24

Simplifying
x = -24

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