-216=-90-9x

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Solution for -216=-90-9x equation:


Simplifying
-216 = -90 + -9x

Solving
-216 = -90 + -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.
-216 + 9x = -90 + -9x + 9x

Combine like terms: -9x + 9x = 0
-216 + 9x = -90 + 0
-216 + 9x = -90

Add '216' to each side of the equation.
-216 + 216 + 9x = -90 + 216

Combine like terms: -216 + 216 = 0
0 + 9x = -90 + 216
9x = -90 + 216

Combine like terms: -90 + 216 = 126
9x = 126

Divide each side by '9'.
x = 14

Simplifying
x = 14

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