-128-7x=9x+13

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Solution for -128-7x=9x+13 equation:


Simplifying
-128 + -7x = 9x + 13

Reorder the terms:
-128 + -7x = 13 + 9x

Solving
-128 + -7x = 13 + 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 + -7x + -9x = 13 + 9x + -9x

Combine like terms: -7x + -9x = -16x
-128 + -16x = 13 + 9x + -9x

Combine like terms: 9x + -9x = 0
-128 + -16x = 13 + 0
-128 + -16x = 13

Add '128' to each side of the equation.
-128 + 128 + -16x = 13 + 128

Combine like terms: -128 + 128 = 0
0 + -16x = 13 + 128
-16x = 13 + 128

Combine like terms: 13 + 128 = 141
-16x = 141

Divide each side by '-16'.
x = -8.8125

Simplifying
x = -8.8125

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