3p+9=15r

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Solution for 3p+9=15r equation: 


Simplifying
3p + 9 = 15r

Reorder the terms:
9 + 3p = 15r

Solving
9 + 3p = 15r

Solving for variable 'p'.

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

Add '-9' to each side of the equation.
9 + -9 + 3p = -9 + 15r

Combine like terms: 9 + -9 = 0
0 + 3p = -9 + 15r
3p = -9 + 15r

Divide each side by '3'.
p = -3 + 5r

Simplifying
p = -3 + 5r

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