12=-2(3+x)

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Solution for 12=-2(3+x) equation:


Simplifying
12 = -2(3 + x)
12 = (3 * -2 + x * -2)
12 = (-6 + -2x)

Solving
12 = -6 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
12 + 2x = -6 + -2x + 2x

Combine like terms: -2x + 2x = 0
12 + 2x = -6 + 0
12 + 2x = -6

Add '-12' to each side of the equation.
12 + -12 + 2x = -6 + -12

Combine like terms: 12 + -12 = 0
0 + 2x = -6 + -12
2x = -6 + -12

Combine like terms: -6 + -12 = -18
2x = -18

Divide each side by '2'.
x = -9

Simplifying
x = -9

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