-131-10x=9x+21

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Solution for -131-10x=9x+21 equation:


Simplifying
-131 + -10x = 9x + 21

Reorder the terms:
-131 + -10x = 21 + 9x

Solving
-131 + -10x = 21 + 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.
-131 + -10x + -9x = 21 + 9x + -9x

Combine like terms: -10x + -9x = -19x
-131 + -19x = 21 + 9x + -9x

Combine like terms: 9x + -9x = 0
-131 + -19x = 21 + 0
-131 + -19x = 21

Add '131' to each side of the equation.
-131 + 131 + -19x = 21 + 131

Combine like terms: -131 + 131 = 0
0 + -19x = 21 + 131
-19x = 21 + 131

Combine like terms: 21 + 131 = 152
-19x = 152

Divide each side by '-19'.
x = -8

Simplifying
x = -8

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