-1x-7=8x

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Solution for -1x-7=8x equation:


Simplifying
-1x + -7 = 8x

Reorder the terms:
-7 + -1x = 8x

Solving
-7 + -1x = 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.
-7 + -1x + -8x = 8x + -8x

Combine like terms: -1x + -8x = -9x
-7 + -9x = 8x + -8x

Combine like terms: 8x + -8x = 0
-7 + -9x = 0

Add '7' to each side of the equation.
-7 + 7 + -9x = 0 + 7

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

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

Divide each side by '-9'.
x = -0.7777777778

Simplifying
x = -0.7777777778

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