28=9x-80

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Solution for 28=9x-80 equation:


Simplifying
28 = 9x + -80

Reorder the terms:
28 = -80 + 9x

Solving
28 = -80 + 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.
28 + -9x = -80 + 9x + -9x

Combine like terms: 9x + -9x = 0
28 + -9x = -80 + 0
28 + -9x = -80

Add '-28' to each side of the equation.
28 + -28 + -9x = -80 + -28

Combine like terms: 28 + -28 = 0
0 + -9x = -80 + -28
-9x = -80 + -28

Combine like terms: -80 + -28 = -108
-9x = -108

Divide each side by '-9'.
x = 12

Simplifying
x = 12

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