Answer:
The correct answer is: -7, 7
Step-by-step explanation:
Given numbers are:
-7, 0, 7, 14
We have to check all pairs of numbers with respect to sum to check that which pair of numbers sums up to zero. So first of all, we will take -7 and will find its sum with other numbers.
So,

We can see that the sum of -7 and 7 is zero.
Hence,
The correct answer is: -7, 7
Answer:
B) -5
Step-by-step explanation:
let the number be x
2x=x-5
take x to the other side
2x-x=-5
×=-5
Answer:
7 groups, 3 boys and 8 girls
Step-by-step explanation:
Let total number of groups be 
and total hikers in one group be 
if number of girls and boys in every group is same, then

....(1)
from (1)
will either be 11 or 7
for
the values won't be real.
For 
so there will be 7 groups with 11 hikers in each groups and every group will have
boys and
girls
Answer:
test? is it? if it is i can't tell you
Step-by-step explanation: