3p+9=5p-7

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


Simplifying
3p + 9 = 5p + -7

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

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

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

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

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

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

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

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

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

Simplifying
p = 8

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