2(x+9)=x-8

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


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

Reorder the terms:
2(9 + x) = x + -8
(9 * 2 + x * 2) = x + -8
(18 + 2x) = x + -8

Reorder the terms:
18 + 2x = -8 + x

Solving
18 + 2x = -8 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
18 + 2x + -1x = -8 + x + -1x

Combine like terms: 2x + -1x = 1x
18 + 1x = -8 + x + -1x

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

Add '-18' to each side of the equation.
18 + -18 + 1x = -8 + -18

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

Combine like terms: -8 + -18 = -26
1x = -26

Divide each side by '1'.
x = -26

Simplifying
x = -26

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