56=3x+x-12

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Solution for 56=3x+x-12 equation:


Simplifying
56 = 3x + x + -12

Reorder the terms:
56 = -12 + 3x + x

Combine like terms: 3x + x = 4x
56 = -12 + 4x

Solving
56 = -12 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
56 + -4x = -12 + 4x + -4x

Combine like terms: 4x + -4x = 0
56 + -4x = -12 + 0
56 + -4x = -12

Add '-56' to each side of the equation.
56 + -56 + -4x = -12 + -56

Combine like terms: 56 + -56 = 0
0 + -4x = -12 + -56
-4x = -12 + -56

Combine like terms: -12 + -56 = -68
-4x = -68

Divide each side by '-4'.
x = 17

Simplifying
x = 17

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