-3(q-5)=21

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Solution for -3(q-5)=21 equation:


Simplifying
-3(q + -5) = 21

Reorder the terms:
-3(-5 + q) = 21
(-5 * -3 + q * -3) = 21
(15 + -3q) = 21

Solving
15 + -3q = 21

Solving for variable 'q'.

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

Add '-15' to each side of the equation.
15 + -15 + -3q = 21 + -15

Combine like terms: 15 + -15 = 0
0 + -3q = 21 + -15
-3q = 21 + -15

Combine like terms: 21 + -15 = 6
-3q = 6

Divide each side by '-3'.
q = -2

Simplifying
q = -2

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