78=5(2x+4)-8x

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Solution for 78=5(2x+4)-8x equation:


Simplifying
78 = 5(2x + 4) + -8x

Reorder the terms:
78 = 5(4 + 2x) + -8x
78 = (4 * 5 + 2x * 5) + -8x
78 = (20 + 10x) + -8x

Combine like terms: 10x + -8x = 2x
78 = 20 + 2x

Solving
78 = 20 + 2x

Solving for variable 'x'.

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

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

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

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

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

Combine like terms: 20 + -78 = -58
-2x = -58

Divide each side by '-2'.
x = 29

Simplifying
x = 29

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