1. -4
2. 2
four plus negative four is zero and two minus two is zero
32 divided by 8 = 4
4 x 5 = 20...
there are 20 pupils in 4 teams...
hope this helps!! :D
Step-by-step explanation:
-7x+10x=-26+5
3x=-21
x=-7
Answer:
2
Step-by-step explanation:
find the greatest common factor, and then it is x^2(x+2) (x+7)