-28+9x-12x=56

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Solution for -28+9x-12x=56 equation: 


Simplifying
-28 + 9x + -12x = 56

Combine like terms: 9x + -12x = -3x
-28 + -3x = 56

Solving
-28 + -3x = 56

Solving for variable 'x'.

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

Add '28' to each side of the equation.
-28 + 28 + -3x = 56 + 28

Combine like terms: -28 + 28 = 0
0 + -3x = 56 + 28
-3x = 56 + 28

Combine like terms: 56 + 28 = 84
-3x = 84

Divide each side by '-3'.
x = -28

Simplifying
x = -28

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