78-3Q=18+3a

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Solution for 78-3Q=18+3a equation: 


Simplifying
78 + -3Q = 18 + 3a

Solving
78 + -3Q = 18 + 3a

Solving for variable 'Q'.

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

Add '-78' to each side of the equation.
78 + -78 + -3Q = 18 + -78 + 3a

Combine like terms: 78 + -78 = 0
0 + -3Q = 18 + -78 + 3a
-3Q = 18 + -78 + 3a

Combine like terms: 18 + -78 = -60
-3Q = -60 + 3a

Divide each side by '-3'.
Q = 20 + -1a

Simplifying
Q = 20 + -1a

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