5p-21=4p-2

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Solution for 5p-21=4p-2 equation:


Simplifying
5p + -21 = 4p + -2

Reorder the terms:
-21 + 5p = 4p + -2

Reorder the terms:
-21 + 5p = -2 + 4p

Solving
-21 + 5p = -2 + 4p

Solving for variable 'p'.

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

Add '-4p' to each side of the equation.
-21 + 5p + -4p = -2 + 4p + -4p

Combine like terms: 5p + -4p = 1p
-21 + 1p = -2 + 4p + -4p

Combine like terms: 4p + -4p = 0
-21 + 1p = -2 + 0
-21 + 1p = -2

Add '21' to each side of the equation.
-21 + 21 + 1p = -2 + 21

Combine like terms: -21 + 21 = 0
0 + 1p = -2 + 21
1p = -2 + 21

Combine like terms: -2 + 21 = 19
1p = 19

Divide each side by '1'.
p = 19

Simplifying
p = 19

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