Question 1000986
70x+30y=4
10x+240Y= -23  
Multiply top by (-8)
-560x-240y=-32
10x +240y= -23
-550x=- 55
x=0.1
7+30y=4
30y=-3
y=-0.1
check in second
1-24= -23
(0.1, -0.1)