y+3(y+1)=43

Solution for y+3(y+1)=43 equation:

Simplifying
y + 3(y + 1) = 43

Reorder the terms:
y + 3(1 + y) = 43
y + (1 * 3 + y * 3) = 43
y + (3 + 3y) = 43

Reorder the terms:
3 + y + 3y = 43

Combine like terms: y + 3y = 4y
3 + 4y = 43

Solving
3 + 4y = 43

Solving for variable 'y'.

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

Add '-3' to each side of the equation.
3 + -3 + 4y = 43 + -3

Combine like terms: 3 + -3 = 0
0 + 4y = 43 + -3
4y = 43 + -3

Combine like terms: 43 + -3 = 40
4y = 40

Divide each side by '4'.
y = 10

Simplifying
y = 10