SOLUTION: 70x+30y=4 10x+240y=-23 what is the intersection?

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Question 1000986: 70x+30y=4
10x+240y=-23
what is the intersection?

Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
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)