Answer: x = 7 and y = 2
Step-by-step explanation:
Since x is already defined for us, we can substitute for it in the second equation which gives us:
(5y - 3) + y = 9
6y - 3 = 9
6y = 12
y = 2
Then find x using y
x = 5(2) - 3
x = 10 - 3
x = 7
Answer:
x = 5y - 3 and x + y = 9
solve to get y
5y - 3 = x and y = 9 - x
5y = x + 3
y = x/5 + 3/5
y = x+3/5
substitute y=9-x into y=x/5+3/5
9 - x = x+3/5
5(9-x) = x + 3
45 - 5x = x+3
-5x -x = 3 - 45
-6x = -42
