-p+21+-3p=-43

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Solution for -p+21+-3p=-43 equation: 


Simplifying
-1p + 21 + -3p = -43

Reorder the terms:
21 + -1p + -3p = -43

Combine like terms: -1p + -3p = -4p
21 + -4p = -43

Solving
21 + -4p = -43

Solving for variable 'p'.

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

Add '-21' to each side of the equation.
21 + -21 + -4p = -43 + -21

Combine like terms: 21 + -21 = 0
0 + -4p = -43 + -21
-4p = -43 + -21

Combine like terms: -43 + -21 = -64
-4p = -64

Divide each side by '-4'.
p = 16

Simplifying
p = 16

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