Question 899625: ] I am honestly so confused on how to do this so please try to explain how you solved the answer in details with work shown. Found 2 solutions by ewatrrr, richwmiller:Answer by ewatrrr(24785) (Show Source):
Hi
3x+y=5
x-y=7 x =
3x+y=5 |Substitute for x
3(7+y) + y = 5
21 + 3y + y = 5
4y = 5 - 21 |Solving for y
4y = -16
y = -4, And... x = 3
Ordered Pair (3,-4) is the Solution for this System of EQs
3x+y=5 0r y = -3x + 5 Green
x-y=7 0r y = x-7 Blue