8-9x=128-20x

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Solution for 8-9x=128-20x equation:


Simplifying
8 + -9x = 128 + -20x

Solving
8 + -9x = 128 + -20x

Solving for variable 'x'.

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

Add '20x' to each side of the equation.
8 + -9x + 20x = 128 + -20x + 20x

Combine like terms: -9x + 20x = 11x
8 + 11x = 128 + -20x + 20x

Combine like terms: -20x + 20x = 0
8 + 11x = 128 + 0
8 + 11x = 128

Add '-8' to each side of the equation.
8 + -8 + 11x = 128 + -8

Combine like terms: 8 + -8 = 0
0 + 11x = 128 + -8
11x = 128 + -8

Combine like terms: 128 + -8 = 120
11x = 120

Divide each side by '11'.
x = 10.90909091

Simplifying
x = 10.90909091

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