21-5p=-4

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Solution for 21-5p=-4 equation: 


Simplifying
21 + -5p = -4

Solving
21 + -5p = -4

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 + -5p = -4 + -21

Combine like terms: 21 + -21 = 0
0 + -5p = -4 + -21
-5p = -4 + -21

Combine like terms: -4 + -21 = -25
-5p = -25

Divide each side by '-5'.
p = 5

Simplifying
p = 5

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