21-6p=3p-2p

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Solution for 21-6p=3p-2p equation:


Simplifying
21 + -6p = 3p + -2p

Combine like terms: 3p + -2p = 1p
21 + -6p = 1p

Solving
21 + -6p = 1p

Solving for variable 'p'.

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

Add '-1p' to each side of the equation.
21 + -6p + -1p = 1p + -1p

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

Combine like terms: 1p + -1p = 0
21 + -7p = 0

Add '-21' to each side of the equation.
21 + -21 + -7p = 0 + -21

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

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

Divide each side by '-7'.
p = 3

Simplifying
p = 3

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