15=-3(sq-1)

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Solution for 15=-3(sq-1) equation:


Simplifying
15 = -3(sq + -1)

Reorder the terms:
15 = -3(-1 + qs)
15 = (-1 * -3 + qs * -3)
15 = (3 + -3qs)

Solving
15 = 3 + -3qs

Solving for variable 'q'.

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

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

Combine like terms: -3qs + 3qs = 0
15 + 3qs = 3 + 0
15 + 3qs = 3

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

Combine like terms: 15 + -15 = 0
0 + 3qs = 3 + -15
3qs = 3 + -15

Combine like terms: 3 + -15 = -12
3qs = -12

Divide each side by '3s'.
q = -4s-1

Simplifying
q = -4s-1

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