7p+3r+(-8p)+12r=

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Solution for 7p+3r+(-8p)+12r= equation: 


Simplifying
7p + 3r + (-8p) + 12r = 0

Reorder the terms:
7p + (-8p) + 3r + 12r = 0

Combine like terms: 7p + (-8p) = -1p
-1p + 3r + 12r = 0

Combine like terms: 3r + 12r = 15r
-1p + 15r = 0

Solving
-1p + 15r = 0

Solving for variable 'p'.

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

Add '-15r' to each side of the equation.
-1p + 15r + -15r = 0 + -15r

Combine like terms: 15r + -15r = 0
-1p + 0 = 0 + -15r
-1p = 0 + -15r
Remove the zero:
-1p = -15r

Divide each side by '-1'.
p = 15r

Simplifying
p = 15r

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