3(p+20)=3(2p-4)+9

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Solution for 3(p+20)=3(2p-4)+9 equation:


Simplifying
3(p + 20) = 3(2p + -4) + 9

Reorder the terms:
3(20 + p) = 3(2p + -4) + 9
(20 * 3 + p * 3) = 3(2p + -4) + 9
(60 + 3p) = 3(2p + -4) + 9

Reorder the terms:
60 + 3p = 3(-4 + 2p) + 9
60 + 3p = (-4 * 3 + 2p * 3) + 9
60 + 3p = (-12 + 6p) + 9

Reorder the terms:
60 + 3p = -12 + 9 + 6p

Combine like terms: -12 + 9 = -3
60 + 3p = -3 + 6p

Solving
60 + 3p = -3 + 6p

Solving for variable 'p'.

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

Add '-6p' to each side of the equation.
60 + 3p + -6p = -3 + 6p + -6p

Combine like terms: 3p + -6p = -3p
60 + -3p = -3 + 6p + -6p

Combine like terms: 6p + -6p = 0
60 + -3p = -3 + 0
60 + -3p = -3

Add '-60' to each side of the equation.
60 + -60 + -3p = -3 + -60

Combine like terms: 60 + -60 = 0
0 + -3p = -3 + -60
-3p = -3 + -60

Combine like terms: -3 + -60 = -63
-3p = -63

Divide each side by '-3'.
p = 21

Simplifying
p = 21

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