12=4x-(3-x)

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


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

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

Combine like terms: 4x + 1x = 5x
12 = -3 + 5x

Solving
12 = -3 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
12 + -5x = -3 + 5x + -5x

Combine like terms: 5x + -5x = 0
12 + -5x = -3 + 0
12 + -5x = -3

Add '-12' to each side of the equation.
12 + -12 + -5x = -3 + -12

Combine like terms: 12 + -12 = 0
0 + -5x = -3 + -12
-5x = -3 + -12

Combine like terms: -3 + -12 = -15
-5x = -15

Divide each side by '-5'.
x = 3

Simplifying
x = 3

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