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OpenStudy (anonymous):
what is a possible first step to eliminate the variable x in the following system? 2x-7y=3 4x+5y=-2
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OpenStudy (anonymous):
multiply the first equation by -2 you get -4x+14y=-6 4x+5y=-2 cancel out the 4x's you get 19y=-8 19y/19=-8/19 y=-8/19
OpenStudy (lalaly):
never mind:D
OpenStudy (anonymous):
lol was about to say your suppose to add the two right...
OpenStudy (lalaly):
hehe yeh my bad:D
OpenStudy (anonymous):
it's all good.
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OpenStudy (lalaly):
:D:D
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