180-x=10+9(9-x)

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Solution for 180-x=10+9(9-x) equation:


Simplifying
180 + -1x = 10 + 9(9 + -1x)
180 + -1x = 10 + (9 * 9 + -1x * 9)
180 + -1x = 10 + (81 + -9x)

Combine like terms: 10 + 81 = 91
180 + -1x = 91 + -9x

Solving
180 + -1x = 91 + -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
180 + -1x + 9x = 91 + -9x + 9x

Combine like terms: -1x + 9x = 8x
180 + 8x = 91 + -9x + 9x

Combine like terms: -9x + 9x = 0
180 + 8x = 91 + 0
180 + 8x = 91

Add '-180' to each side of the equation.
180 + -180 + 8x = 91 + -180

Combine like terms: 180 + -180 = 0
0 + 8x = 91 + -180
8x = 91 + -180

Combine like terms: 91 + -180 = -89
8x = -89

Divide each side by '8'.
x = -11.125

Simplifying
x = -11.125

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