3(p+7)-5p=

Solution for 3(p+7)-5p= equation:

Simplifying
3(p + 7) + -5p = 0

Reorder the terms:
3(7 + p) + -5p = 0
(7 * 3 + p * 3) + -5p = 0
(21 + 3p) + -5p = 0

Combine like terms: 3p + -5p = -2p
21 + -2p = 0

Solving
21 + -2p = 0

Solving for variable 'p'.

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

Add '-21' to each side of the equation.
21 + -21 + -2p = 0 + -21

Combine like terms: 21 + -21 = 0
0 + -2p = 0 + -21
-2p = 0 + -21

Combine like terms: 0 + -21 = -21
-2p = -21

Divide each side by '-2'.
p = 10.5

Simplifying
p = 10.5