4y+3(2+y)=20

Solution for 4y+3(2+y)=20 equation:

Simplifying
4y + 3(2 + y) = 20
4y + (2 * 3 + y * 3) = 20
4y + (6 + 3y) = 20

Reorder the terms:
6 + 4y + 3y = 20

Combine like terms: 4y + 3y = 7y
6 + 7y = 20

Solving
6 + 7y = 20

Solving for variable 'y'.

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

Add '-6' to each side of the equation.
6 + -6 + 7y = 20 + -6

Combine like terms: 6 + -6 = 0
0 + 7y = 20 + -6
7y = 20 + -6

Combine like terms: 20 + -6 = 14
7y = 14

Divide each side by '7'.
y = 2

Simplifying
y = 2