180=7x+x+20+x+20+7x

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Solution for 180=7x+x+20+x+20+7x equation:


Simplifying
180 = 7x + x + 20 + x + 20 + 7x

Reorder the terms:
180 = 20 + 20 + 7x + x + x + 7x

Combine like terms: 20 + 20 = 40
180 = 40 + 7x + x + x + 7x

Combine like terms: 7x + x = 8x
180 = 40 + 8x + x + 7x

Combine like terms: 8x + x = 9x
180 = 40 + 9x + 7x

Combine like terms: 9x + 7x = 16x
180 = 40 + 16x

Solving
180 = 40 + 16x

Solving for variable 'x'.

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

Add '-16x' to each side of the equation.
180 + -16x = 40 + 16x + -16x

Combine like terms: 16x + -16x = 0
180 + -16x = 40 + 0
180 + -16x = 40

Add '-180' to each side of the equation.
180 + -180 + -16x = 40 + -180

Combine like terms: 180 + -180 = 0
0 + -16x = 40 + -180
-16x = 40 + -180

Combine like terms: 40 + -180 = -140
-16x = -140

Divide each side by '-16'.
x = 8.75

Simplifying
x = 8.75

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