Question

2 1/2y-1,27=3/4y-4,77

Answer 1

2 1/2=2,5

3/4=0,75

2,5y-1.27=0.75y-4.77

2.5y-0.75y=-4.77+1.27

1.75y=-3.5

y=-3.5/1.75

y=-2