-87=-9-9x

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Solution for -87=-9-9x equation:


Simplifying
-87 = -9 + -9x

Solving
-87 = -9 + -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.
-87 + 9x = -9 + -9x + 9x

Combine like terms: -9x + 9x = 0
-87 + 9x = -9 + 0
-87 + 9x = -9

Add '87' to each side of the equation.
-87 + 87 + 9x = -9 + 87

Combine like terms: -87 + 87 = 0
0 + 9x = -9 + 87
9x = -9 + 87

Combine like terms: -9 + 87 = 78
9x = 78

Divide each side by '9'.
x = 8.666666667

Simplifying
x = 8.666666667

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