8p-21=39+5p

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Solution for 8p-21=39+5p equation: 


Simplifying
8p + -21 = 39 + 5p

Reorder the terms:
-21 + 8p = 39 + 5p

Solving
-21 + 8p = 39 + 5p

Solving for variable 'p'.

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

Add '-5p' to each side of the equation.
-21 + 8p + -5p = 39 + 5p + -5p

Combine like terms: 8p + -5p = 3p
-21 + 3p = 39 + 5p + -5p

Combine like terms: 5p + -5p = 0
-21 + 3p = 39 + 0
-21 + 3p = 39

Add '21' to each side of the equation.
-21 + 21 + 3p = 39 + 21

Combine like terms: -21 + 21 = 0
0 + 3p = 39 + 21
3p = 39 + 21

Combine like terms: 39 + 21 = 60
3p = 60

Divide each side by '3'.
p = 20

Simplifying
p = 20

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