12=3-(x+3)

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


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

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

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

Solving
12 = -1x

Solving for variable 'x'.

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

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

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

Add '-12' to each side of the equation.
12 + -12 + x = 0 + -12

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

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

Simplifying
x = -12

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