8x+78=2x+42

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Solution for 8x+78=2x+42 equation:


Simplifying
8x + 78 = 2x + 42

Reorder the terms:
78 + 8x = 2x + 42

Reorder the terms:
78 + 8x = 42 + 2x

Solving
78 + 8x = 42 + 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 + 8x + -2x = 42 + 2x + -2x

Combine like terms: 8x + -2x = 6x
78 + 6x = 42 + 2x + -2x

Combine like terms: 2x + -2x = 0
78 + 6x = 42 + 0
78 + 6x = 42

Add '-78' to each side of the equation.
78 + -78 + 6x = 42 + -78

Combine like terms: 78 + -78 = 0
0 + 6x = 42 + -78
6x = 42 + -78

Combine like terms: 42 + -78 = -36
6x = -36

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

Simplifying
x = -6

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