-3p-21-8p=7+3p

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


Simplifying
-3p + -21 + -8p = 7 + 3p

Reorder the terms:
-21 + -3p + -8p = 7 + 3p

Combine like terms: -3p + -8p = -11p
-21 + -11p = 7 + 3p

Solving
-21 + -11p = 7 + 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.
-21 + -11p + -3p = 7 + 3p + -3p

Combine like terms: -11p + -3p = -14p
-21 + -14p = 7 + 3p + -3p

Combine like terms: 3p + -3p = 0
-21 + -14p = 7 + 0
-21 + -14p = 7

Add '21' to each side of the equation.
-21 + 21 + -14p = 7 + 21

Combine like terms: -21 + 21 = 0
0 + -14p = 7 + 21
-14p = 7 + 21

Combine like terms: 7 + 21 = 28
-14p = 28

Divide each side by '-14'.
p = -2

Simplifying
p = -2

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