78-3x=3x+12

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Solution for 78-3x=3x+12 equation:


Simplifying
78 + -3x = 3x + 12

Reorder the terms:
78 + -3x = 12 + 3x

Solving
78 + -3x = 12 + 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.
78 + -3x + -3x = 12 + 3x + -3x

Combine like terms: -3x + -3x = -6x
78 + -6x = 12 + 3x + -3x

Combine like terms: 3x + -3x = 0
78 + -6x = 12 + 0
78 + -6x = 12

Add '-78' to each side of the equation.
78 + -78 + -6x = 12 + -78

Combine like terms: 78 + -78 = 0
0 + -6x = 12 + -78
-6x = 12 + -78

Combine like terms: 12 + -78 = -66
-6x = -66

Divide each side by '-6'.
x = 11

Simplifying
x = 11

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