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OpenStudy (anonymous):
how do i solve x and y? -2x+7y=22 x=7y+3 please help me :(
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OpenStudy (kc_kennylau):
Which do you prefer, substitution or elimination? :)
OpenStudy (anonymous):
Its the same way like the other problem
OpenStudy (anonymous):
1 plug x in so it should look like -2(7y+3)=22
OpenStudy (anonymous):
wait oops -2(7y+3)+7y=22
OpenStudy (anonymous):
want me to solve it for you
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OpenStudy (anonymous):
or you got it
OpenStudy (arthur_ser):
Use determinants:
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