px+r=9x+7

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Solution for px+r=9x+7 equation: 


Simplifying
px + r = 9x + 7

Reorder the terms:
px + r = 7 + 9x

Solving
px + r = 7 + 9x

Solving for variable 'p'.

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

Add '-1r' to each side of the equation.
px + r + -1r = 7 + -1r + 9x

Combine like terms: r + -1r = 0
px + 0 = 7 + -1r + 9x
px = 7 + -1r + 9x

Divide each side by 'x'.
p = 7x-1 + -1rx-1 + 9

Simplifying
p = 7x-1 + -1rx-1 + 9

Reorder the terms:
p = 9 + -1rx-1 + 7x-1

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