7x+8=180-x

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Solution for 7x+8=180-x equation:


Simplifying
7x + 8 = 180 + -1x

Reorder the terms:
8 + 7x = 180 + -1x

Solving
8 + 7x = 180 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
8 + 7x + x = 180 + -1x + x

Combine like terms: 7x + x = 8x
8 + 8x = 180 + -1x + x

Combine like terms: -1x + x = 0
8 + 8x = 180 + 0
8 + 8x = 180

Add '-8' to each side of the equation.
8 + -8 + 8x = 180 + -8

Combine like terms: 8 + -8 = 0
0 + 8x = 180 + -8
8x = 180 + -8

Combine like terms: 180 + -8 = 172
8x = 172

Divide each side by '8'.
x = 21.5

Simplifying
x = 21.5

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