1-2p+7=3-4p+9

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Solution for 1-2p+7=3-4p+9 equation: 


Simplifying
1 + -2p + 7 = 3 + -4p + 9

Reorder the terms:
1 + 7 + -2p = 3 + -4p + 9

Combine like terms: 1 + 7 = 8
8 + -2p = 3 + -4p + 9

Reorder the terms:
8 + -2p = 3 + 9 + -4p

Combine like terms: 3 + 9 = 12
8 + -2p = 12 + -4p

Solving
8 + -2p = 12 + -4p

Solving for variable 'p'.

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

Add '4p' to each side of the equation.
8 + -2p + 4p = 12 + -4p + 4p

Combine like terms: -2p + 4p = 2p
8 + 2p = 12 + -4p + 4p

Combine like terms: -4p + 4p = 0
8 + 2p = 12 + 0
8 + 2p = 12

Add '-8' to each side of the equation.
8 + -8 + 2p = 12 + -8

Combine like terms: 8 + -8 = 0
0 + 2p = 12 + -8
2p = 12 + -8

Combine like terms: 12 + -8 = 4
2p = 4

Divide each side by '2'.
p = 2

Simplifying
p = 2

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