9p-8-3p+5=21

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Solution for 9p-8-3p+5=21 equation:


Simplifying
9p + -8 + -3p + 5 = 21

Reorder the terms:
-8 + 5 + 9p + -3p = 21

Combine like terms: -8 + 5 = -3
-3 + 9p + -3p = 21

Combine like terms: 9p + -3p = 6p
-3 + 6p = 21

Solving
-3 + 6p = 21

Solving for variable 'p'.

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

Add '3' to each side of the equation.
-3 + 3 + 6p = 21 + 3

Combine like terms: -3 + 3 = 0
0 + 6p = 21 + 3
6p = 21 + 3

Combine like terms: 21 + 3 = 24
6p = 24

Divide each side by '6'.
p = 4

Simplifying
p = 4

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