21=3p-5

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Solution for 21=3p-5 equation:


Simplifying
21 = 3p + -5

Reorder the terms:
21 = -5 + 3p

Solving
21 = -5 + 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 + -3p = -5 + 3p + -3p

Combine like terms: 3p + -3p = 0
21 + -3p = -5 + 0
21 + -3p = -5

Add '-21' to each side of the equation.
21 + -21 + -3p = -5 + -21

Combine like terms: 21 + -21 = 0
0 + -3p = -5 + -21
-3p = -5 + -21

Combine like terms: -5 + -21 = -26
-3p = -26

Divide each side by '-3'.
p = 8.666666667

Simplifying
p = 8.666666667

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