8=2q+15

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Solution for 8=2q+15 equation:


Simplifying
8 = 2q + 15

Reorder the terms:
8 = 15 + 2q

Solving
8 = 15 + 2q

Solving for variable 'q'.

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

Add '-2q' to each side of the equation.
8 + -2q = 15 + 2q + -2q

Combine like terms: 2q + -2q = 0
8 + -2q = 15 + 0
8 + -2q = 15

Add '-8' to each side of the equation.
8 + -8 + -2q = 15 + -8

Combine like terms: 8 + -8 = 0
0 + -2q = 15 + -8
-2q = 15 + -8

Combine like terms: 15 + -8 = 7
-2q = 7

Divide each side by '-2'.
q = -3.5

Simplifying
q = -3.5

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