Question

va rog ajutati-ma. Figureaza situatia: [n+ (n+ 1)+ (n+ 2)+ (n +3)+ (n+ 4)]:5=n+ 2

Answer 1

(n+n+1n+2+n+3+n+4):5=n+2
(5n+10):5 = n+2
n+2=n+2

Answer 2

5n+2=n+2
5n|+[-n]=-2+2
4n=0
n=4:0
n=multimea vida