-128=9x+7

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Solution for -128=9x+7 equation:


Simplifying
-128 = 9x + 7

Reorder the terms:
-128 = 7 + 9x

Solving
-128 = 7 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
-128 + -9x = 7 + 9x + -9x

Combine like terms: 9x + -9x = 0
-128 + -9x = 7 + 0
-128 + -9x = 7

Add '128' to each side of the equation.
-128 + 128 + -9x = 7 + 128

Combine like terms: -128 + 128 = 0
0 + -9x = 7 + 128
-9x = 7 + 128

Combine like terms: 7 + 128 = 135
-9x = 135

Divide each side by '-9'.
x = -15

Simplifying
x = -15

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