-21+8p=3(p-5)+7p

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Solution for -21+8p=3(p-5)+7p equation:


Simplifying
-21 + 8p = 3(p + -5) + 7p

Reorder the terms:
-21 + 8p = 3(-5 + p) + 7p
-21 + 8p = (-5 * 3 + p * 3) + 7p
-21 + 8p = (-15 + 3p) + 7p

Combine like terms: 3p + 7p = 10p
-21 + 8p = -15 + 10p

Solving
-21 + 8p = -15 + 10p

Solving for variable 'p'.

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

Add '-10p' to each side of the equation.
-21 + 8p + -10p = -15 + 10p + -10p

Combine like terms: 8p + -10p = -2p
-21 + -2p = -15 + 10p + -10p

Combine like terms: 10p + -10p = 0
-21 + -2p = -15 + 0
-21 + -2p = -15

Add '21' to each side of the equation.
-21 + 21 + -2p = -15 + 21

Combine like terms: -21 + 21 = 0
0 + -2p = -15 + 21
-2p = -15 + 21

Combine like terms: -15 + 21 = 6
-2p = 6

Divide each side by '-2'.
p = -3

Simplifying
p = -3

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