-9x-21=13+2x

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Solution for -9x-21=13+2x equation:


Simplifying
-9x + -21 = 13 + 2x

Reorder the terms:
-21 + -9x = 13 + 2x

Solving
-21 + -9x = 13 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-21 + -9x + -2x = 13 + 2x + -2x

Combine like terms: -9x + -2x = -11x
-21 + -11x = 13 + 2x + -2x

Combine like terms: 2x + -2x = 0
-21 + -11x = 13 + 0
-21 + -11x = 13

Add '21' to each side of the equation.
-21 + 21 + -11x = 13 + 21

Combine like terms: -21 + 21 = 0
0 + -11x = 13 + 21
-11x = 13 + 21

Combine like terms: 13 + 21 = 34
-11x = 34

Divide each side by '-11'.
x = -3.090909091

Simplifying
x = -3.090909091

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