Answer:
2 11/12 mixed number
Step-by-step explanation:
Answer:
x=4
Step-by-step explanation:
2/3(x-7)=-2
Multiply both sides by 3/2
x-7=-3
move constant to the right
x=-3+7
calculate
x=4
Answer:
6 students.
Step-by-step explanation:
let the number of students in class be<em> x</em>
Since Half of the class represents half of the students, therefore
Number of student who got A in test = 
Now if one more student got A in test then the number of students who got A in test will be 
Now according to equation,


Further solving


Hence the total number of students in class is 6.