-71=x+7x+9

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Solution for -71=x+7x+9 equation:


Simplifying
-71 = x + 7x + 9

Reorder the terms:
-71 = 9 + x + 7x

Combine like terms: x + 7x = 8x
-71 = 9 + 8x

Solving
-71 = 9 + 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.
-71 + -8x = 9 + 8x + -8x

Combine like terms: 8x + -8x = 0
-71 + -8x = 9 + 0
-71 + -8x = 9

Add '71' to each side of the equation.
-71 + 71 + -8x = 9 + 71

Combine like terms: -71 + 71 = 0
0 + -8x = 9 + 71
-8x = 9 + 71

Combine like terms: 9 + 71 = 80
-8x = 80

Divide each side by '-8'.
x = -10

Simplifying
x = -10

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