-75-x=8x+15

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Solution for -75-x=8x+15 equation:


Simplifying
-75 + -1x = 8x + 15

Reorder the terms:
-75 + -1x = 15 + 8x

Solving
-75 + -1x = 15 + 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.
-75 + -1x + -8x = 15 + 8x + -8x

Combine like terms: -1x + -8x = -9x
-75 + -9x = 15 + 8x + -8x

Combine like terms: 8x + -8x = 0
-75 + -9x = 15 + 0
-75 + -9x = 15

Add '75' to each side of the equation.
-75 + 75 + -9x = 15 + 75

Combine like terms: -75 + 75 = 0
0 + -9x = 15 + 75
-9x = 15 + 75

Combine like terms: 15 + 75 = 90
-9x = 90

Divide each side by '-9'.
x = -10

Simplifying
x = -10

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