Question

2x + y = 5

+ 3x - y = 10
_________

What is the result of adding the following system? Write your answer as an ordered pair with parentheses and no spaces

Answer 1

(2x + 3x) + (y - y) = (5 + 10)

solve and get this:

5x = 15

5x/5 = 15/5

x = 3

Answer 2

5x=15
X=3
2(3)+y=5
Y= -1

(3,-1)