-216=-18x-9x

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Solution for -216=-18x-9x equation:


Simplifying
-216 = -18x + -9x

Combine like terms: -18x + -9x = -27x
-216 = -27x

Solving
-216 = -27x

Solving for variable 'x'.

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

Add '27x' to each side of the equation.
-216 + 27x = -27x + 27x

Combine like terms: -27x + 27x = 0
-216 + 27x = 0

Add '216' to each side of the equation.
-216 + 216 + 27x = 0 + 216

Combine like terms: -216 + 216 = 0
0 + 27x = 0 + 216
27x = 0 + 216

Combine like terms: 0 + 216 = 216
27x = 216

Divide each side by '27'.
x = 8

Simplifying
x = 8

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