4x-12=x+2(x-9)

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Solution for 4x-12=x+2(x-9) equation:


Simplifying
4x + -12 = x + 2(x + -9)

Reorder the terms:
-12 + 4x = x + 2(x + -9)

Reorder the terms:
-12 + 4x = x + 2(-9 + x)
-12 + 4x = x + (-9 * 2 + x * 2)
-12 + 4x = x + (-18 + 2x)

Reorder the terms:
-12 + 4x = -18 + x + 2x

Combine like terms: x + 2x = 3x
-12 + 4x = -18 + 3x

Solving
-12 + 4x = -18 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-12 + 4x + -3x = -18 + 3x + -3x

Combine like terms: 4x + -3x = 1x
-12 + 1x = -18 + 3x + -3x

Combine like terms: 3x + -3x = 0
-12 + 1x = -18 + 0
-12 + 1x = -18

Add '12' to each side of the equation.
-12 + 12 + 1x = -18 + 12

Combine like terms: -12 + 12 = 0
0 + 1x = -18 + 12
1x = -18 + 12

Combine like terms: -18 + 12 = -6
1x = -6

Divide each side by '1'.
x = -6

Simplifying
x = -6

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