12=-2(2+4q)

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Solution for 12=-2(2+4q) equation:


Simplifying
12 = -2(2 + 4q)
12 = (2 * -2 + 4q * -2)
12 = (-4 + -8q)

Solving
12 = -4 + -8q

Solving for variable 'q'.

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

Add '8q' to each side of the equation.
12 + 8q = -4 + -8q + 8q

Combine like terms: -8q + 8q = 0
12 + 8q = -4 + 0
12 + 8q = -4

Add '-12' to each side of the equation.
12 + -12 + 8q = -4 + -12

Combine like terms: 12 + -12 = 0
0 + 8q = -4 + -12
8q = -4 + -12

Combine like terms: -4 + -12 = -16
8q = -16

Divide each side by '8'.
q = -2

Simplifying
q = -2

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