15=-2(3q-10)-4q

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Solution for 15=-2(3q-10)-4q equation:


Simplifying
15 = -2(3q + -10) + -4q

Reorder the terms:
15 = -2(-10 + 3q) + -4q
15 = (-10 * -2 + 3q * -2) + -4q
15 = (20 + -6q) + -4q

Combine like terms: -6q + -4q = -10q
15 = 20 + -10q

Solving
15 = 20 + -10q

Solving for variable 'q'.

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

Add '10q' to each side of the equation.
15 + 10q = 20 + -10q + 10q

Combine like terms: -10q + 10q = 0
15 + 10q = 20 + 0
15 + 10q = 20

Add '-15' to each side of the equation.
15 + -15 + 10q = 20 + -15

Combine like terms: 15 + -15 = 0
0 + 10q = 20 + -15
10q = 20 + -15

Combine like terms: 20 + -15 = 5
10q = 5

Divide each side by '10'.
q = 0.5

Simplifying
q = 0.5

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