-87-8x=25-x

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Solution for -87-8x=25-x equation:


Simplifying
-87 + -8x = 25 + -1x

Solving
-87 + -8x = 25 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
-87 + -8x + x = 25 + -1x + x

Combine like terms: -8x + x = -7x
-87 + -7x = 25 + -1x + x

Combine like terms: -1x + x = 0
-87 + -7x = 25 + 0
-87 + -7x = 25

Add '87' to each side of the equation.
-87 + 87 + -7x = 25 + 87

Combine like terms: -87 + 87 = 0
0 + -7x = 25 + 87
-7x = 25 + 87

Combine like terms: 25 + 87 = 112
-7x = 112

Divide each side by '-7'.
x = -16

Simplifying
x = -16

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