9+8p-6=9p+21-7p

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Solution for 9+8p-6=9p+21-7p equation:


Simplifying
9 + 8p + -6 = 9p + 21 + -7p

Reorder the terms:
9 + -6 + 8p = 9p + 21 + -7p

Combine like terms: 9 + -6 = 3
3 + 8p = 9p + 21 + -7p

Reorder the terms:
3 + 8p = 21 + 9p + -7p

Combine like terms: 9p + -7p = 2p
3 + 8p = 21 + 2p

Solving
3 + 8p = 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 + 8p + -2p = 21 + 2p + -2p

Combine like terms: 8p + -2p = 6p
3 + 6p = 21 + 2p + -2p

Combine like terms: 2p + -2p = 0
3 + 6p = 21 + 0
3 + 6p = 21

Add '-3' to each side of the equation.
3 + -3 + 6p = 21 + -3

Combine like terms: 3 + -3 = 0
0 + 6p = 21 + -3
6p = 21 + -3

Combine like terms: 21 + -3 = 18
6p = 18

Divide each side by '6'.
p = 3

Simplifying
p = 3

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