Answer:
x+y=52
3x=2y+36
_____
x=-y+52
-3y+156=2y+36
5y=120
y=24
52-24=30
30 guys in the class
1: 9 questions incorrect and 41 correct
2: There are a total of 35 students. 21 girls and 14 boys.
(3)(2x) + 3 (-4) + - 1n
6x + -12 + - n
Answer -n + 6x - 12
c. n-10
Step-by-step explanation: