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OpenStudy (anonymous):
find the solution of this system of equations -x+5y=-18 5x-9y=10
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OpenStudy (anonymous):
What methods do you know that can help you solve a system of equations?
OpenStudy (anonymous):
need to get one of the varibles to cancel and just sole
OpenStudy (anonymous):
Ok so let's pick a variable (x or y) to eliminate and try solving for the other. Which one do you want to start off with, x or y?
OpenStudy (anonymous):
x
OpenStudy (anonymous):
X it is, what must we multiply the first equation by so that when we add it to the second the x's cancel?
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