4-19=p+21

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Solution for 4-19=p+21 equation:


Simplifying
4 + -19 = p + 21

Combine like terms: 4 + -19 = -15
-15 = p + 21

Reorder the terms:
-15 = 21 + p

Solving
-15 = 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.
-15 + -1p = 21 + p + -1p

Combine like terms: p + -1p = 0
-15 + -1p = 21 + 0
-15 + -1p = 21

Add '15' to each side of the equation.
-15 + 15 + -1p = 21 + 15

Combine like terms: -15 + 15 = 0
0 + -1p = 21 + 15
-1p = 21 + 15

Combine like terms: 21 + 15 = 36
-1p = 36

Divide each side by '-1'.
p = -36

Simplifying
p = -36

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