SOLUTION: the problem is y= 3.2x-1.5 and y= -2.7x-3.7 My coordinates don't match the answers that are given in the book. How did they come up with the solution of (-0.37, -2.69) T

Algebra ->  Coordinate-system -> SOLUTION: the problem is y= 3.2x-1.5 and y= -2.7x-3.7 My coordinates don't match the answers that are given in the book. How did they come up with the solution of (-0.37, -2.69) T      Log On


   



Question 157978This question is from textbook
: the problem is y= 3.2x-1.5 and y= -2.7x-3.7
My coordinates don't match the answers that are given in the book. How did they come up with the solution of (-0.37, -2.69)
Thanks for your assistance,
This question is from textbook

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
This is how they got their answers.
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y= 3.2x-1.5
y=-2.7x-3.7 subtract this equation from the other one.
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0=5.9x+2.2
5.9x=-2.2
x=-2.2/5.9
x=-.3729 answer.
y=3.2*-.3729-1.5
y=-1.19-1.5
y=-2.69 answer.