42=3p+5(p+2)

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Solution for 42=3p+5(p+2) equation:


Simplifying
42 = 3p + 5(p + 2)

Reorder the terms:
42 = 3p + 5(2 + p)
42 = 3p + (2 * 5 + p * 5)
42 = 3p + (10 + 5p)

Reorder the terms:
42 = 10 + 3p + 5p

Combine like terms: 3p + 5p = 8p
42 = 10 + 8p

Solving
42 = 10 + 8p

Solving for variable 'p'.

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

Add '-8p' to each side of the equation.
42 + -8p = 10 + 8p + -8p

Combine like terms: 8p + -8p = 0
42 + -8p = 10 + 0
42 + -8p = 10

Add '-42' to each side of the equation.
42 + -42 + -8p = 10 + -42

Combine like terms: 42 + -42 = 0
0 + -8p = 10 + -42
-8p = 10 + -42

Combine like terms: 10 + -42 = -32
-8p = -32

Divide each side by '-8'.
p = 4

Simplifying
p = 4

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