3p-28=-21+4p

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Solution for 3p-28=-21+4p equation:


Simplifying
3p + -28 = -21 + 4p

Reorder the terms:
-28 + 3p = -21 + 4p

Solving
-28 + 3p = -21 + 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.
-28 + 3p + -4p = -21 + 4p + -4p

Combine like terms: 3p + -4p = -1p
-28 + -1p = -21 + 4p + -4p

Combine like terms: 4p + -4p = 0
-28 + -1p = -21 + 0
-28 + -1p = -21

Add '28' to each side of the equation.
-28 + 28 + -1p = -21 + 28

Combine like terms: -28 + 28 = 0
0 + -1p = -21 + 28
-1p = -21 + 28

Combine like terms: -21 + 28 = 7
-1p = 7

Divide each side by '-1'.
p = -7

Simplifying
p = -7

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