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OpenStudy (anonymous):
Solve the system by the method of your choice. x=6y+9 2x-12y=18
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OpenStudy (anonymous):
direct substitution: 1 in 2 (12y+18) -12y=18 >>> 18=18 these equation are linearly dependent.. you must two or mor linearly independent eq to solve...
OpenStudy (anonymous):
The second eq is the first multiplied by 2!
OpenStudy (anonymous):
ok
OpenStudy (anonymous):
any other doubt?
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