Question

4,7y+2,6=4,2y-(2,1y+0,3)-2,3

Answer 1

4,7y+2,6-4,2y+2,1y-0,3+2,3=02,6у=0
у=0

Answer 2

4,7y+2,6-4,2y+2,1y-0,3+2,3=0

Answer 3

2,6у=0