2x+120=8x+78

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Solution for 2x+120=8x+78 equation:


Simplifying
2x + 120 = 8x + 78

Reorder the terms:
120 + 2x = 8x + 78

Reorder the terms:
120 + 2x = 78 + 8x

Solving
120 + 2x = 78 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
120 + 2x + -8x = 78 + 8x + -8x

Combine like terms: 2x + -8x = -6x
120 + -6x = 78 + 8x + -8x

Combine like terms: 8x + -8x = 0
120 + -6x = 78 + 0
120 + -6x = 78

Add '-120' to each side of the equation.
120 + -120 + -6x = 78 + -120

Combine like terms: 120 + -120 = 0
0 + -6x = 78 + -120
-6x = 78 + -120

Combine like terms: 78 + -120 = -42
-6x = -42

Divide each side by '-6'.
x = 7

Simplifying
x = 7

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