2(p+3)=21-3p

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Solution for 2(p+3)=21-3p equation:


Simplifying
2(p + 3) = 21 + -3p

Reorder the terms:
2(3 + p) = 21 + -3p
(3 * 2 + p * 2) = 21 + -3p
(6 + 2p) = 21 + -3p

Solving
6 + 2p = 21 + -3p

Solving for variable 'p'.

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

Add '3p' to each side of the equation.
6 + 2p + 3p = 21 + -3p + 3p

Combine like terms: 2p + 3p = 5p
6 + 5p = 21 + -3p + 3p

Combine like terms: -3p + 3p = 0
6 + 5p = 21 + 0
6 + 5p = 21

Add '-6' to each side of the equation.
6 + -6 + 5p = 21 + -6

Combine like terms: 6 + -6 = 0
0 + 5p = 21 + -6
5p = 21 + -6

Combine like terms: 21 + -6 = 15
5p = 15

Divide each side by '5'.
p = 3

Simplifying
p = 3

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