18=-9x-9x

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Solution for 18=-9x-9x equation:


Simplifying
18 = -9x + -9x

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

Solving
18 = -18x

Solving for variable 'x'.

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

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

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

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

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

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

Divide each side by '18'.
x = -1

Simplifying
x = -1

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