-213-3x=129+15x

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Solution for -213-3x=129+15x equation:


Simplifying
-213 + -3x = 129 + 15x

Solving
-213 + -3x = 129 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
-213 + -3x + -15x = 129 + 15x + -15x

Combine like terms: -3x + -15x = -18x
-213 + -18x = 129 + 15x + -15x

Combine like terms: 15x + -15x = 0
-213 + -18x = 129 + 0
-213 + -18x = 129

Add '213' to each side of the equation.
-213 + 213 + -18x = 129 + 213

Combine like terms: -213 + 213 = 0
0 + -18x = 129 + 213
-18x = 129 + 213

Combine like terms: 129 + 213 = 342
-18x = 342

Divide each side by '-18'.
x = -19

Simplifying
x = -19

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