2(2x-9)=x-9

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


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

Reorder the terms:
2(-9 + 2x) = x + -9
(-9 * 2 + 2x * 2) = x + -9
(-18 + 4x) = x + -9

Reorder the terms:
-18 + 4x = -9 + x

Solving
-18 + 4x = -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.
-18 + 4x + -1x = -9 + x + -1x

Combine like terms: 4x + -1x = 3x
-18 + 3x = -9 + x + -1x

Combine like terms: x + -1x = 0
-18 + 3x = -9 + 0
-18 + 3x = -9

Add '18' to each side of the equation.
-18 + 18 + 3x = -9 + 18

Combine like terms: -18 + 18 = 0
0 + 3x = -9 + 18
3x = -9 + 18

Combine like terms: -9 + 18 = 9
3x = 9

Divide each side by '3'.
x = 3

Simplifying
x = 3

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