-99=12(x+3)+6x

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Solution for -99=12(x+3)+6x equation:


Simplifying
-99 = 12(x + 3) + 6x

Reorder the terms:
-99 = 12(3 + x) + 6x
-99 = (3 * 12 + x * 12) + 6x
-99 = (36 + 12x) + 6x

Combine like terms: 12x + 6x = 18x
-99 = 36 + 18x

Solving
-99 = 36 + 18x

Solving for variable 'x'.

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

Add '-18x' to each side of the equation.
-99 + -18x = 36 + 18x + -18x

Combine like terms: 18x + -18x = 0
-99 + -18x = 36 + 0
-99 + -18x = 36

Add '99' to each side of the equation.
-99 + 99 + -18x = 36 + 99

Combine like terms: -99 + 99 = 0
0 + -18x = 36 + 99
-18x = 36 + 99

Combine like terms: 36 + 99 = 135
-18x = 135

Divide each side by '-18'.
x = -7.5

Simplifying
x = -7.5

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