-21+40=p

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Solution for -21+40=p equation:


Simplifying
-21 + 40 = p

Combine like terms: -21 + 40 = 19
19 = p

Solving
19 = 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.
19 + -1p = p + -1p

Combine like terms: p + -1p = 0
19 + -1p = 0

Add '-19' to each side of the equation.
19 + -19 + -1p = 0 + -19

Combine like terms: 19 + -19 = 0
0 + -1p = 0 + -19
-1p = 0 + -19

Combine like terms: 0 + -19 = -19
-1p = -19

Divide each side by '-1'.
p = 19

Simplifying
p = 19

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