Question

The sum of three consecutive multiples of 7 is zero . Find the integer integers

Answer 1

x+(x+7)+(x+14)=0
x+x+7+x+14=0
3x+21=0
3x=0-21
3x=-21
x=-21/3
x=-7
so the integers are .
-7,-14,-21

Answer 2

this is your questions answer