Question

resolva a equaçao 3(2b+1)+4b=9

Answer 1

3.(2b+1)+4b = 9
6b+3+4b = 9
10b = 9-3
10b = 6
b = 6/10
b = 3/5

3 (2.3/5 + 1) + 4. 3/5
3(6/5 + 1) + 12/5
18/5 + 3 + 12/5
30/5 + 3
6 + 3 = 9

Answer 2

3(2b+1)+4b=9 6b+3+4b=9 10b=9-3 B=6/10 = 3/5