-5(p-3)+20=2p-21

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Solution for -5(p-3)+20=2p-21 equation:


Simplifying
-5(p + -3) + 20 = 2p + -21

Reorder the terms:
-5(-3 + p) + 20 = 2p + -21
(-3 * -5 + p * -5) + 20 = 2p + -21
(15 + -5p) + 20 = 2p + -21

Reorder the terms:
15 + 20 + -5p = 2p + -21

Combine like terms: 15 + 20 = 35
35 + -5p = 2p + -21

Reorder the terms:
35 + -5p = -21 + 2p

Solving
35 + -5p = -21 + 2p

Solving for variable 'p'.

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

Add '-2p' to each side of the equation.
35 + -5p + -2p = -21 + 2p + -2p

Combine like terms: -5p + -2p = -7p
35 + -7p = -21 + 2p + -2p

Combine like terms: 2p + -2p = 0
35 + -7p = -21 + 0
35 + -7p = -21

Add '-35' to each side of the equation.
35 + -35 + -7p = -21 + -35

Combine like terms: 35 + -35 = 0
0 + -7p = -21 + -35
-7p = -21 + -35

Combine like terms: -21 + -35 = -56
-7p = -56

Divide each side by '-7'.
p = 8

Simplifying
p = 8

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