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OpenStudy (anonymous):
What is the value of the y-coordinate of the solution to the system of equations 2x=y=8 and x-3y=-3
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OpenStudy (anonymous):
Is that supposed to be 2x-y=8 ?
OpenStudy (anonymous):
yes my mistake sorry
OpenStudy (anonymous):
2x-y=8 equation I x-3y=-3 equation II Multiply equation II by 2 2x-y=8 equation III 2x-6y=-6 equation IV Subtract equation IV from equation III to get rid of the 2x -y-(-6y)=8-(-6) -y+6y=8+6 5y=14 y=15/4
OpenStudy (anonymous):
Hope that helps
OpenStudy (anonymous):
Yes it does thank you
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OpenStudy (anonymous):
No problem :)
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