7p-4+4=21

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Solution for 7p-4+4=21 equation: 


Simplifying
7p + -4 + 4 = 21

Reorder the terms:
-4 + 4 + 7p = 21

Combine like terms: -4 + 4 = 0
0 + 7p = 21
7p = 21

Solving
7p = 21

Solving for variable 'p'.

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

Divide each side by '7'.
p = 3

Simplifying
p = 3

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