15=-3[2q-1]

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Solution for 15=-3[2q-1] equation:


Simplifying
15 = -3[2q + -1]

Reorder the terms:
15 = -3[-1 + 2q]
15 = [-1 * -3 + 2q * -3]
15 = [3 + -6q]

Solving
15 = 3 + -6q

Solving for variable 'q'.

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

Add '6q' to each side of the equation.
15 + 6q = 3 + -6q + 6q

Combine like terms: -6q + 6q = 0
15 + 6q = 3 + 0
15 + 6q = 3

Add '-15' to each side of the equation.
15 + -15 + 6q = 3 + -15

Combine like terms: 15 + -15 = 0
0 + 6q = 3 + -15
6q = 3 + -15

Combine like terms: 3 + -15 = -12
6q = -12

Divide each side by '6'.
q = -2

Simplifying
q = -2

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