7p-42=4p

Solution for 7p-42=4p equation:

Simplifying
7p + -42 = 4p

Reorder the terms:
-42 + 7p = 4p

Solving
-42 + 7p = 4p

Solving for variable 'p'.

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

Add '-4p' to each side of the equation.
-42 + 7p + -4p = 4p + -4p

Combine like terms: 7p + -4p = 3p
-42 + 3p = 4p + -4p

Combine like terms: 4p + -4p = 0
-42 + 3p = 0

Add '42' to each side of the equation.
-42 + 42 + 3p = 0 + 42

Combine like terms: -42 + 42 = 0
0 + 3p = 0 + 42
3p = 0 + 42

Combine like terms: 0 + 42 = 42
3p = 42

Divide each side by '3'.
p = 14

Simplifying
p = 14