qr+x=r

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Solution for qr+x=r equation: 


Simplifying
qr + x = r

Solving
qr + x = r

Solving for variable 'q'.

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

Add '-1x' to each side of the equation.
qr + x + -1x = r + -1x

Combine like terms: x + -1x = 0
qr + 0 = r + -1x
qr = r + -1x

Divide each side by 'r'.
q = 1 + -1r-1x

Simplifying
q = 1 + -1r-1x

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