78=4(2x+3)-2(7-6x)

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Solution for 78=4(2x+3)-2(7-6x) equation:


Simplifying
78 = 4(2x + 3) + -2(7 + -6x)

Reorder the terms:
78 = 4(3 + 2x) + -2(7 + -6x)
78 = (3 * 4 + 2x * 4) + -2(7 + -6x)
78 = (12 + 8x) + -2(7 + -6x)
78 = 12 + 8x + (7 * -2 + -6x * -2)
78 = 12 + 8x + (-14 + 12x)

Reorder the terms:
78 = 12 + -14 + 8x + 12x

Combine like terms: 12 + -14 = -2
78 = -2 + 8x + 12x

Combine like terms: 8x + 12x = 20x
78 = -2 + 20x

Solving
78 = -2 + 20x

Solving for variable 'x'.

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

Add '-20x' to each side of the equation.
78 + -20x = -2 + 20x + -20x

Combine like terms: 20x + -20x = 0
78 + -20x = -2 + 0
78 + -20x = -2

Add '-78' to each side of the equation.
78 + -78 + -20x = -2 + -78

Combine like terms: 78 + -78 = 0
0 + -20x = -2 + -78
-20x = -2 + -78

Combine like terms: -2 + -78 = -80
-20x = -80

Divide each side by '-20'.
x = 4

Simplifying
x = 4

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