Question 1180474
The number of students in a classroom is 46. 

let number of boys be x


there are 12 girls more than boys,

girls will be x+12

their sum =46

x+x+12=46

2x+12=46

2x+12-12= 46-12=34

divide by 2
x= 17

17 boys
29 girls

Total 46


2x = 34