Question

7y+5-y+8=31 me ajudem ai galera

Answer 1

7y+5-y+8=31

7y-y= 31-8-5

6y= 31-13

6y= 18

y=18 dividido por 6 = 3. 

Answer 2

7y+5-y+8=31
7y-y=31-5-8
6y=26-8
6y=18
y=18÷6
y=3