-87-7x=8x+18

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Solution for -87-7x=8x+18 equation:


Simplifying
-87 + -7x = 8x + 18

Reorder the terms:
-87 + -7x = 18 + 8x

Solving
-87 + -7x = 18 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
-87 + -7x + -8x = 18 + 8x + -8x

Combine like terms: -7x + -8x = -15x
-87 + -15x = 18 + 8x + -8x

Combine like terms: 8x + -8x = 0
-87 + -15x = 18 + 0
-87 + -15x = 18

Add '87' to each side of the equation.
-87 + 87 + -15x = 18 + 87

Combine like terms: -87 + 87 = 0
0 + -15x = 18 + 87
-15x = 18 + 87

Combine like terms: 18 + 87 = 105
-15x = 105

Divide each side by '-15'.
x = -7

Simplifying
x = -7

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