-28=p+21

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Solution for -28=p+21 equation:


Simplifying
-28 = p + 21

Reorder the terms:
-28 = 21 + p

Solving
-28 = 21 + p

Solving for variable 'p'.

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

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

Combine like terms: p + -1p = 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 = 49
-1p = 49

Divide each side by '-1'.
p = -49

Simplifying
p = -49

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