Q-7=r

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Solution for Q-7=r equation: 


Simplifying
Q + -7 = r

Reorder the terms:
-7 + Q = r

Solving
-7 + Q = r

Solving for variable 'Q'.

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

Add '7' to each side of the equation.
-7 + 7 + Q = 7 + r

Combine like terms: -7 + 7 = 0
0 + Q = 7 + r
Q = 7 + r

Simplifying
Q = 7 + r

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