3x-12-4x+12=x+3-(x-6)

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Solution for 3x-12-4x+12=x+3-(x-6) equation:


Simplifying
3x + -12 + -4x + 12 = x + 3 + -1(x + -6)

Reorder the terms:
-12 + 12 + 3x + -4x = x + 3 + -1(x + -6)

Combine like terms: -12 + 12 = 0
0 + 3x + -4x = x + 3 + -1(x + -6)
3x + -4x = x + 3 + -1(x + -6)

Combine like terms: 3x + -4x = -1x
-1x = x + 3 + -1(x + -6)

Reorder the terms:
-1x = x + 3 + -1(-6 + x)
-1x = x + 3 + (-6 * -1 + x * -1)
-1x = x + 3 + (6 + -1x)

Reorder the terms:
-1x = 3 + 6 + x + -1x

Combine like terms: 3 + 6 = 9
-1x = 9 + x + -1x

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

Solving
-1x = 9

Solving for variable 'x'.

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

Divide each side by '-1'.
x = -9

Simplifying
x = -9

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