3[5-(y+3)]=

Solution for 3[5-(y+3)]= equation:

Simplifying
3[5 + -1(y + 3)] = 0

Reorder the terms:
3[5 + -1(3 + y)] = 0
3[5 + (3 * -1 + y * -1)] = 0
3[5 + (-3 + -1y)] = 0

Combine like terms: 5 + -3 = 2
3[2 + -1y] = 0
[2 * 3 + -1y * 3] = 0
[6 + -3y] = 0

Solving
6 + -3y = 0

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 + -3y = 0 + -6

Combine like terms: 6 + -6 = 0
0 + -3y = 0 + -6
-3y = 0 + -6

Combine like terms: 0 + -6 = -6
-3y = -6

Divide each side by '-3'.
y = 2

Simplifying
y = 2