Question

n+(n+1)+(n+2)+(n+3)+(n+4)+(n+5)=75 n=?​

Answer 1

Răspuns:

6n+15=75

6n= 75-15

6n= 60

n=10

Answer 2

n=10

Explicație pas cu pas:

n+n+1+n+2+n+3+n+4+n+5=75

6n+15=75 /-15

6n=60 /:6

n=10