1-x-7x=-87

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Solution for 1-x-7x=-87 equation: 


Simplifying
1 + -1x + -7x = -87

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

Solving
1 + -8x = -87

Solving for variable 'x'.

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

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

Combine like terms: 1 + -1 = 0
0 + -8x = -87 + -1
-8x = -87 + -1

Combine like terms: -87 + -1 = -88
-8x = -88

Divide each side by '-8'.
x = 11

Simplifying
x = 11

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