-x-77=-8x+7

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Solution for -x-77=-8x+7 equation:


Simplifying
-1x + -77 = -8x + 7

Reorder the terms:
-77 + -1x = -8x + 7

Reorder the terms:
-77 + -1x = 7 + -8x

Solving
-77 + -1x = 7 + -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.
-77 + -1x + 8x = 7 + -8x + 8x

Combine like terms: -1x + 8x = 7x
-77 + 7x = 7 + -8x + 8x

Combine like terms: -8x + 8x = 0
-77 + 7x = 7 + 0
-77 + 7x = 7

Add '77' to each side of the equation.
-77 + 77 + 7x = 7 + 77

Combine like terms: -77 + 77 = 0
0 + 7x = 7 + 77
7x = 7 + 77

Combine like terms: 7 + 77 = 84
7x = 84

Divide each side by '7'.
x = 12

Simplifying
x = 12

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