Answer:
y = 23/4
Step-by-step explanation:
y + 6 = -3y +29
Add 3y to each side
y+3y + 6 = -3y+3y +29
4y+6 = 29
Subtract 6 from each side
4y +6-6 = 29-6
4y = 23
Divide by 4
4y/4 = 23/4