49=p+21

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Solution for 49=p+21 equation:


Simplifying
49 = p + 21

Reorder the terms:
49 = 21 + p

Solving
49 = 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.
49 + -1p = 21 + p + -1p

Combine like terms: p + -1p = 0
49 + -1p = 21 + 0
49 + -1p = 21

Add '-49' to each side of the equation.
49 + -49 + -1p = 21 + -49

Combine like terms: 49 + -49 = 0
0 + -1p = 21 + -49
-1p = 21 + -49

Combine like terms: 21 + -49 = -28
-1p = -28

Divide each side by '-1'.
p = 28

Simplifying
p = 28

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