x-87=-9x-7

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Solution for x-87=-9x-7 equation:


Simplifying
x + -87 = -9x + -7

Reorder the terms:
-87 + x = -9x + -7

Reorder the terms:
-87 + x = -7 + -9x

Solving
-87 + x = -7 + -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 + x + 9x = -7 + -9x + 9x

Combine like terms: x + 9x = 10x
-87 + 10x = -7 + -9x + 9x

Combine like terms: -9x + 9x = 0
-87 + 10x = -7 + 0
-87 + 10x = -7

Add '87' to each side of the equation.
-87 + 87 + 10x = -7 + 87

Combine like terms: -87 + 87 = 0
0 + 10x = -7 + 87
10x = -7 + 87

Combine like terms: -7 + 87 = 80
10x = 80

Divide each side by '10'.
x = 8

Simplifying
x = 8

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