57-p=42

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Solution for 57-p=42 equation: 


Simplifying
57 + -1p = 42

Solving
57 + -1p = 42

Solving for variable 'p'.

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

Add '-57' to each side of the equation.
57 + -57 + -1p = 42 + -57

Combine like terms: 57 + -57 = 0
0 + -1p = 42 + -57
-1p = 42 + -57

Combine like terms: 42 + -57 = -15
-1p = -15

Divide each side by '-1'.
p = 15

Simplifying
p = 15

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