3p-15=p-7

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Solution for 3p-15=p-7 equation:


Simplifying
3p + -15 = p + -7

Reorder the terms:
-15 + 3p = p + -7

Reorder the terms:
-15 + 3p = -7 + p

Solving
-15 + 3p = -7 + p

Solving for variable 'p'.

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

Add '-1p' to each side of the equation.
-15 + 3p + -1p = -7 + p + -1p

Combine like terms: 3p + -1p = 2p
-15 + 2p = -7 + p + -1p

Combine like terms: p + -1p = 0
-15 + 2p = -7 + 0
-15 + 2p = -7

Add '15' to each side of the equation.
-15 + 15 + 2p = -7 + 15

Combine like terms: -15 + 15 = 0
0 + 2p = -7 + 15
2p = -7 + 15

Combine like terms: -7 + 15 = 8
2p = 8

Divide each side by '2'.
p = 4

Simplifying
p = 4

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