42-3=5p

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Solution for 42-3=5p equation:


Simplifying
42 + -3 = 5p

Combine like terms: 42 + -3 = 39
39 = 5p

Solving
39 = 5p

Solving for variable 'p'.

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

Add '-5p' to each side of the equation.
39 + -5p = 5p + -5p

Combine like terms: 5p + -5p = 0
39 + -5p = 0

Add '-39' to each side of the equation.
39 + -39 + -5p = 0 + -39

Combine like terms: 39 + -39 = 0
0 + -5p = 0 + -39
-5p = 0 + -39

Combine like terms: 0 + -39 = -39
-5p = -39

Divide each side by '-5'.
p = 7.8

Simplifying
p = 7.8

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