8+4p-5=4p+21-2p

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Solution for 8+4p-5=4p+21-2p equation:


Simplifying
8 + 4p + -5 = 4p + 21 + -2p

Reorder the terms:
8 + -5 + 4p = 4p + 21 + -2p

Combine like terms: 8 + -5 = 3
3 + 4p = 4p + 21 + -2p

Reorder the terms:
3 + 4p = 21 + 4p + -2p

Combine like terms: 4p + -2p = 2p
3 + 4p = 21 + 2p

Solving
3 + 4p = 21 + 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.
3 + 4p + -2p = 21 + 2p + -2p

Combine like terms: 4p + -2p = 2p
3 + 2p = 21 + 2p + -2p

Combine like terms: 2p + -2p = 0
3 + 2p = 21 + 0
3 + 2p = 21

Add '-3' to each side of the equation.
3 + -3 + 2p = 21 + -3

Combine like terms: 3 + -3 = 0
0 + 2p = 21 + -3
2p = 21 + -3

Combine like terms: 21 + -3 = 18
2p = 18

Divide each side by '2'.
p = 9

Simplifying
p = 9

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