2(p+15)+p+6+p-2=42

Solution for 2(p+15)+p+6+p-2=42 equation:

Simplifying
2(p + 15) + p + 6 + p + -2 = 42

Reorder the terms:
2(15 + p) + p + 6 + p + -2 = 42
(15 * 2 + p * 2) + p + 6 + p + -2 = 42
(30 + 2p) + p + 6 + p + -2 = 42

Reorder the terms:
30 + 6 + -2 + 2p + p + p = 42

Combine like terms: 30 + 6 = 36
36 + -2 + 2p + p + p = 42

Combine like terms: 36 + -2 = 34
34 + 2p + p + p = 42

Combine like terms: 2p + p = 3p
34 + 3p + p = 42

Combine like terms: 3p + p = 4p
34 + 4p = 42

Solving
34 + 4p = 42

Solving for variable 'p'.

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

Add '-34' to each side of the equation.
34 + -34 + 4p = 42 + -34

Combine like terms: 34 + -34 = 0
0 + 4p = 42 + -34
4p = 42 + -34

Combine like terms: 42 + -34 = 8
4p = 8

Divide each side by '4'.
p = 2

Simplifying
p = 2