Q+-4=r

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Solution for Q+-4=r equation: 


Simplifying
Q + -4 = r

Reorder the terms:
-4 + Q = r

Solving
-4 + Q = r

Solving for variable 'Q'.

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

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

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

Simplifying
Q = 4 + r

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