Given the system of equations, what is the solution? x + 2y = 7 x - 2y = -1
1 answer:
You might be interested in
Given:
You and your friend each purchase an equal number n of magazines.
Your magazines cost = $1.50 each
Your friend's magazines cost = $2 each
Total cost = $10.50
To find:
The equation to find number of magazines you purchased.
Solution:
Your magazines cost = $1.50 each
Your friend's magazines cost = $2 each
Number of magazines purchased by you and your friend = n
Total cost =
It is given that total cost is $10.50.
Divide both sides by 3.50.
Therefore, required equation is and the number of magazines purchased by you is 3.