-21-9x=9x

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


Simplifying
-21 + -9x = 9x

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

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

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

Add '21' to each side of the equation.
-21 + 21 + -18x = 0 + 21

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

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

Divide each side by '-18'.
x = -1.166666667

Simplifying
x = -1.166666667

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