21p=9p-144

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Solution for 21p=9p-144 equation: 


Simplifying
21p = 9p + -144

Reorder the terms:
21p = -144 + 9p

Solving
21p = -144 + 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 = -144 + 9p + -9p

Combine like terms: 21p + -9p = 12p
12p = -144 + 9p + -9p

Combine like terms: 9p + -9p = 0
12p = -144 + 0
12p = -144

Divide each side by '12'.
p = -12

Simplifying
p = -12

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