-q+7.8=20.2

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Solution for -q+7.8=20.2 equation: 


Simplifying
-1q + 7.8 = 20.2

Reorder the terms:
7.8 + -1q = 20.2

Solving
7.8 + -1q = 20.2

Solving for variable 'q'.

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

Add '-7.8' to each side of the equation.
7.8 + -7.8 + -1q = 20.2 + -7.8

Combine like terms: 7.8 + -7.8 = 0.0
0.0 + -1q = 20.2 + -7.8
-1q = 20.2 + -7.8

Combine like terms: 20.2 + -7.8 = 12.4
-1q = 12.4

Divide each side by '-1'.
q = -12.4

Simplifying
q = -12.4

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