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

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Solution for 12-(x+3)=4x-(x-1) equation:


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

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

Combine like terms: 12 + -3 = 9
9 + -1x = 4x + -1(x + -1)

Reorder the terms:
9 + -1x = 4x + -1(-1 + x)
9 + -1x = 4x + (-1 * -1 + x * -1)
9 + -1x = 4x + (1 + -1x)

Reorder the terms:
9 + -1x = 1 + 4x + -1x

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

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

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

Combine like terms: 3x + -3x = 0
9 + -4x = 1 + 0
9 + -4x = 1

Add '-9' to each side of the equation.
9 + -9 + -4x = 1 + -9

Combine like terms: 9 + -9 = 0
0 + -4x = 1 + -9
-4x = 1 + -9

Combine like terms: 1 + -9 = -8
-4x = -8

Divide each side by '-4'.
x = 2

Simplifying
x = 2

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