px-7qy=r

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Solution for px-7qy=r equation: 


Simplifying
px + -7qy = r

Solving
px + -7qy = r

Solving for variable 'p'.

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

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

Combine like terms: -7qy + 7qy = 0
px + 0 = 7qy + r
px = 7qy + r

Divide each side by 'x'.
p = 7qx-1y + rx-1

Simplifying
p = 7qx-1y + rx-1

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