7+2p-2=6p+21-2p

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Solution for 7+2p-2=6p+21-2p equation:


Simplifying
7 + 2p + -2 = 6p + 21 + -2p

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

Combine like terms: 7 + -2 = 5
5 + 2p = 6p + 21 + -2p

Reorder the terms:
5 + 2p = 21 + 6p + -2p

Combine like terms: 6p + -2p = 4p
5 + 2p = 21 + 4p

Solving
5 + 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.
5 + 2p + -4p = 21 + 4p + -4p

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

Combine like terms: 4p + -4p = 0
5 + -2p = 21 + 0
5 + -2p = 21

Add '-5' to each side of the equation.
5 + -5 + -2p = 21 + -5

Combine like terms: 5 + -5 = 0
0 + -2p = 21 + -5
-2p = 21 + -5

Combine like terms: 21 + -5 = 16
-2p = 16

Divide each side by '-2'.
p = -8

Simplifying
p = -8

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