78=2x-3+2x-3+12+2x+6x

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Solution for 78=2x-3+2x-3+12+2x+6x equation:


Simplifying
78 = 2x + -3 + 2x + -3 + 12 + 2x + 6x

Reorder the terms:
78 = -3 + -3 + 12 + 2x + 2x + 2x + 6x

Combine like terms: -3 + -3 = -6
78 = -6 + 12 + 2x + 2x + 2x + 6x

Combine like terms: -6 + 12 = 6
78 = 6 + 2x + 2x + 2x + 6x

Combine like terms: 2x + 2x = 4x
78 = 6 + 4x + 2x + 6x

Combine like terms: 4x + 2x = 6x
78 = 6 + 6x + 6x

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

Solving
78 = 6 + 12x

Solving for variable 'x'.

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

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

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

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

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

Combine like terms: 6 + -78 = -72
-12x = -72

Divide each side by '-12'.
x = 6

Simplifying
x = 6

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