8+2p-1=6p+21-2p

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Solution for 8+2p-1=6p+21-2p equation:


Simplifying
8 + 2p + -1 = 6p + 21 + -2p

Reorder the terms:
8 + -1 + 2p = 6p + 21 + -2p

Combine like terms: 8 + -1 = 7
7 + 2p = 6p + 21 + -2p

Reorder the terms:
7 + 2p = 21 + 6p + -2p

Combine like terms: 6p + -2p = 4p
7 + 2p = 21 + 4p

Solving
7 + 2p = 21 + 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.
7 + 2p + -4p = 21 + 4p + -4p

Combine like terms: 2p + -4p = -2p
7 + -2p = 21 + 4p + -4p

Combine like terms: 4p + -4p = 0
7 + -2p = 21 + 0
7 + -2p = 21

Add '-7' to each side of the equation.
7 + -7 + -2p = 21 + -7

Combine like terms: 7 + -7 = 0
0 + -2p = 21 + -7
-2p = 21 + -7

Combine like terms: 21 + -7 = 14
-2p = 14

Divide each side by '-2'.
p = -7

Simplifying
p = -7

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