8+15q-20=10q-3q-84

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Solution for 8+15q-20=10q-3q-84 equation:


Simplifying
8 + 15q + -20 = 10q + -3q + -84

Reorder the terms:
8 + -20 + 15q = 10q + -3q + -84

Combine like terms: 8 + -20 = -12
-12 + 15q = 10q + -3q + -84

Reorder the terms:
-12 + 15q = -84 + 10q + -3q

Combine like terms: 10q + -3q = 7q
-12 + 15q = -84 + 7q

Solving
-12 + 15q = -84 + 7q

Solving for variable 'q'.

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

Add '-7q' to each side of the equation.
-12 + 15q + -7q = -84 + 7q + -7q

Combine like terms: 15q + -7q = 8q
-12 + 8q = -84 + 7q + -7q

Combine like terms: 7q + -7q = 0
-12 + 8q = -84 + 0
-12 + 8q = -84

Add '12' to each side of the equation.
-12 + 12 + 8q = -84 + 12

Combine like terms: -12 + 12 = 0
0 + 8q = -84 + 12
8q = -84 + 12

Combine like terms: -84 + 12 = -72
8q = -72

Divide each side by '8'.
q = -9

Simplifying
q = -9

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