4p-21=3p

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Solution for 4p-21=3p equation:


Simplifying
4p + -21 = 3p

Reorder the terms:
-21 + 4p = 3p

Solving
-21 + 4p = 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 + 4p + -3p = 3p + -3p

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

Combine like terms: 3p + -3p = 0
-21 + 1p = 0

Add '21' to each side of the equation.
-21 + 21 + 1p = 0 + 21

Combine like terms: -21 + 21 = 0
0 + 1p = 0 + 21
1p = 0 + 21

Combine like terms: 0 + 21 = 21
1p = 21

Divide each side by '1'.
p = 21

Simplifying
p = 21

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