80-7x-8=7x+42+x

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Solution for 80-7x-8=7x+42+x equation:


Simplifying
80 + -7x + -8 = 7x + 42 + x

Reorder the terms:
80 + -8 + -7x = 7x + 42 + x

Combine like terms: 80 + -8 = 72
72 + -7x = 7x + 42 + x

Reorder the terms:
72 + -7x = 42 + 7x + x

Combine like terms: 7x + x = 8x
72 + -7x = 42 + 8x

Solving
72 + -7x = 42 + 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.
72 + -7x + -8x = 42 + 8x + -8x

Combine like terms: -7x + -8x = -15x
72 + -15x = 42 + 8x + -8x

Combine like terms: 8x + -8x = 0
72 + -15x = 42 + 0
72 + -15x = 42

Add '-72' to each side of the equation.
72 + -72 + -15x = 42 + -72

Combine like terms: 72 + -72 = 0
0 + -15x = 42 + -72
-15x = 42 + -72

Combine like terms: 42 + -72 = -30
-15x = -30

Divide each side by '-15'.
x = 2

Simplifying
x = 2

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