Answer:
7
Step-by-step explanation:
4/5 +x =11 /×5
20 +5x =55
5x=55 - 20
5x=35
x=35 :5
x=7
x=51/5
4/5+x=11
x=11-4/5
have to make the denominators same
x=55/5 - 4/5
