Answer:
x= 12 y= -3
Step-by-step explanation:
Rearrange.
x+y=9
x-y=15
Get x by itself, cancel out the y's and you'll get this:
2x=24
x= 12
Plug it in.
12+y=9
Get y.
y= -3
Check your work. I hope this helped.
Answer:
The question = (7^3)*(7^x)
When multiplying two exponents with the same base, all you do is add the exponents together and keep the same base
Therefore,
(7^3)*(7^x) = 7^(3+x)
Step-by-step explanation:
7^3+x is the answer
There is 6 people in the van that isn't full. I am counting. They are counting students. They are going to group them in 2 vans of 11 people and 1 van of 6 people.