(q-8)*3=21

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Solution for (q-8)*3=21 equation:


Simplifying
(q + -8) * 3 = 21

Reorder the terms:
(-8 + q) * 3 = 21

Reorder the terms for easier multiplication:
3(-8 + q) = 21
(-8 * 3 + q * 3) = 21
(-24 + 3q) = 21

Solving
-24 + 3q = 21

Solving for variable 'q'.

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

Add '24' to each side of the equation.
-24 + 24 + 3q = 21 + 24

Combine like terms: -24 + 24 = 0
0 + 3q = 21 + 24
3q = 21 + 24

Combine like terms: 21 + 24 = 45
3q = 45

Divide each side by '3'.
q = 15

Simplifying
q = 15

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