3p-9=2p+12

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Solution for 3p-9=2p+12 equation:


Simplifying
3p + -9 = 2p + 12

Reorder the terms:
-9 + 3p = 2p + 12

Reorder the terms:
-9 + 3p = 12 + 2p

Solving
-9 + 3p = 12 + 2p

Solving for variable 'p'.

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

Add '-2p' to each side of the equation.
-9 + 3p + -2p = 12 + 2p + -2p

Combine like terms: 3p + -2p = 1p
-9 + 1p = 12 + 2p + -2p

Combine like terms: 2p + -2p = 0
-9 + 1p = 12 + 0
-9 + 1p = 12

Add '9' to each side of the equation.
-9 + 9 + 1p = 12 + 9

Combine like terms: -9 + 9 = 0
0 + 1p = 12 + 9
1p = 12 + 9

Combine like terms: 12 + 9 = 21
1p = 21

Divide each side by '1'.
p = 21

Simplifying
p = 21

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