x-9-2(1-x)=x+9

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Solution for x-9-2(1-x)=x+9 equation:


Simplifying
x + -9 + -2(1 + -1x) = x + 9
x + -9 + (1 * -2 + -1x * -2) = x + 9
x + -9 + (-2 + 2x) = x + 9

Reorder the terms:
-9 + -2 + x + 2x = x + 9

Combine like terms: -9 + -2 = -11
-11 + x + 2x = x + 9

Combine like terms: x + 2x = 3x
-11 + 3x = x + 9

Reorder the terms:
-11 + 3x = 9 + x

Solving
-11 + 3x = 9 + 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.
-11 + 3x + -1x = 9 + x + -1x

Combine like terms: 3x + -1x = 2x
-11 + 2x = 9 + x + -1x

Combine like terms: x + -1x = 0
-11 + 2x = 9 + 0
-11 + 2x = 9

Add '11' to each side of the equation.
-11 + 11 + 2x = 9 + 11

Combine like terms: -11 + 11 = 0
0 + 2x = 9 + 11
2x = 9 + 11

Combine like terms: 9 + 11 = 20
2x = 20

Divide each side by '2'.
x = 10

Simplifying
x = 10

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