qx+rx=a

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Solution for qx+rx=a equation: 


Simplifying
qx + rx = a

Solving
qx + rx = a

Solving for variable 'q'.

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

Add '-1rx' to each side of the equation.
qx + rx + -1rx = a + -1rx

Combine like terms: rx + -1rx = 0
qx + 0 = a + -1rx
qx = a + -1rx

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

Simplifying
q = ax-1 + -1r

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