-159-9x=9x-21

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Solution for -159-9x=9x-21 equation:


Simplifying
-159 + -9x = 9x + -21

Reorder the terms:
-159 + -9x = -21 + 9x

Solving
-159 + -9x = -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.
-159 + -9x + -9x = -21 + 9x + -9x

Combine like terms: -9x + -9x = -18x
-159 + -18x = -21 + 9x + -9x

Combine like terms: 9x + -9x = 0
-159 + -18x = -21 + 0
-159 + -18x = -21

Add '159' to each side of the equation.
-159 + 159 + -18x = -21 + 159

Combine like terms: -159 + 159 = 0
0 + -18x = -21 + 159
-18x = -21 + 159

Combine like terms: -21 + 159 = 138
-18x = 138

Divide each side by '-18'.
x = -7.666666667

Simplifying
x = -7.666666667

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