42-q=3(q-5)

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Solution for 42-q=3(q-5) equation:


Simplifying
42 + -1q = 3(q + -5)

Reorder the terms:
42 + -1q = 3(-5 + q)
42 + -1q = (-5 * 3 + q * 3)
42 + -1q = (-15 + 3q)

Solving
42 + -1q = -15 + 3q

Solving for variable 'q'.

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

Add '-3q' to each side of the equation.
42 + -1q + -3q = -15 + 3q + -3q

Combine like terms: -1q + -3q = -4q
42 + -4q = -15 + 3q + -3q

Combine like terms: 3q + -3q = 0
42 + -4q = -15 + 0
42 + -4q = -15

Add '-42' to each side of the equation.
42 + -42 + -4q = -15 + -42

Combine like terms: 42 + -42 = 0
0 + -4q = -15 + -42
-4q = -15 + -42

Combine like terms: -15 + -42 = -57
-4q = -57

Divide each side by '-4'.
q = 14.25

Simplifying
q = 14.25

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