Question

que valor toma y en : (3y-1)-(y+2)=15-y

Answer 1

2y -3 = 15- y
3y = 18
y = 6

Answer 2

3y - 1 - y - 2 = 15 - y

3y - y + y = 15 + 2 + 1

3y = 18

y = 18/3

y = 6