Question

8(0,9у+5)-7(0,6у+11)=11(у-3)

Answer 1

8(0,9у+5)-7(0,6у+11)=11(у-3)
7,2у+40-4,2у-77=11у-33
7,2у-4,2у-11у=-33-40+77
-8у=4
у=-0,5