3p+7=5p-9

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Solution for 3p+7=5p-9 equation:


Simplifying
3p + 7 = 5p + -9

Reorder the terms:
7 + 3p = 5p + -9

Reorder the terms:
7 + 3p = -9 + 5p

Solving
7 + 3p = -9 + 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.
7 + 3p + -5p = -9 + 5p + -5p

Combine like terms: 3p + -5p = -2p
7 + -2p = -9 + 5p + -5p

Combine like terms: 5p + -5p = 0
7 + -2p = -9 + 0
7 + -2p = -9

Add '-7' to each side of the equation.
7 + -7 + -2p = -9 + -7

Combine like terms: 7 + -7 = 0
0 + -2p = -9 + -7
-2p = -9 + -7

Combine like terms: -9 + -7 = -16
-2p = -16

Divide each side by '-2'.
p = 8

Simplifying
p = 8

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