9x-28=80-3x

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Solution for 9x-28=80-3x equation:


Simplifying
9x + -28 = 80 + -3x

Reorder the terms:
-28 + 9x = 80 + -3x

Solving
-28 + 9x = 80 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
-28 + 9x + 3x = 80 + -3x + 3x

Combine like terms: 9x + 3x = 12x
-28 + 12x = 80 + -3x + 3x

Combine like terms: -3x + 3x = 0
-28 + 12x = 80 + 0
-28 + 12x = 80

Add '28' to each side of the equation.
-28 + 28 + 12x = 80 + 28

Combine like terms: -28 + 28 = 0
0 + 12x = 80 + 28
12x = 80 + 28

Combine like terms: 80 + 28 = 108
12x = 108

Divide each side by '12'.
x = 9

Simplifying
x = 9

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