Question

1.6b-0.4=3.2-0.8(2-b)

Answer 1

1.6b-0.4=3.2-0.8(2-b)

1.6b-0.4=3.2-1.6+0.8b

1.6b-0.8b=3.2-1.6+0.4

0.8b=2

b=2/0.8=2.5

Answer 2

1.6b-0.4=3.2-0.8(2-b)

8b-2/5=4b+8/5=>(8b-2)*5=5*(4b+8)

5/2

b=2,5