SOLUTION: graph: y=4x+80, y=1/2x+10 where do they intercept?

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Question 468174: graph: y=4x+80, y=1/2x+10
where do they intercept?
Found 2 solutions by jorel1380, rfer:
Answer by jorel1380(2518) About Me  (Show Source):
Answer by rfer(12657) About Me  (Show Source):
You can put this solution on YOUR website!
1/2x+10=4x+80
-3.5x=70
x=-20
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y=4*-20+80
y=-80+80
y=0
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intercept (-20,0)
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0=1/5*-20+10