q+r=b

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Solution for q+r=b equation: 


Simplifying
q + r = b

Solving
q + r = b

Solving for variable 'q'.

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

Add '-1r' to each side of the equation.
q + r + -1r = b + -1r

Combine like terms: r + -1r = 0
q + 0 = b + -1r
q = b + -1r

Simplifying
q = b + -1r

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