21p=9p

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Solution for 21p=9p equation: 


Simplifying
21p = 9p

Solving
21p = 9p

Solving for variable 'p'.

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

Add '-9p' to each side of the equation.
21p + -9p = 9p + -9p

Combine like terms: 21p + -9p = 12p
12p = 9p + -9p

Combine like terms: 9p + -9p = 0
12p = 0

Divide each side by '12'.
p = 0

Simplifying
p = 0

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