Q+4r=12

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Solution for Q+4r=12 equation: 


Simplifying
Q + 4r = 12

Solving
Q + 4r = 12

Solving for variable 'Q'.

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

Add '-4r' to each side of the equation.
Q + 4r + -4r = 12 + -4r

Combine like terms: 4r + -4r = 0
Q + 0 = 12 + -4r
Q = 12 + -4r

Simplifying
Q = 12 + -4r

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