9(2+x)=8(x-9)

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Solution for 9(2+x)=8(x-9) equation:


Simplifying
9(2 + x) = 8(x + -9)
(2 * 9 + x * 9) = 8(x + -9)
(18 + 9x) = 8(x + -9)

Reorder the terms:
18 + 9x = 8(-9 + x)
18 + 9x = (-9 * 8 + x * 8)
18 + 9x = (-72 + 8x)

Solving
18 + 9x = -72 + 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.
18 + 9x + -8x = -72 + 8x + -8x

Combine like terms: 9x + -8x = 1x
18 + 1x = -72 + 8x + -8x

Combine like terms: 8x + -8x = 0
18 + 1x = -72 + 0
18 + 1x = -72

Add '-18' to each side of the equation.
18 + -18 + 1x = -72 + -18

Combine like terms: 18 + -18 = 0
0 + 1x = -72 + -18
1x = -72 + -18

Combine like terms: -72 + -18 = -90
1x = -90

Divide each side by '1'.
x = -90

Simplifying
x = -90

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