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OpenStudy (anonymous):
Solve by substitution y=6x-11 -2x-3y=-7
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OpenStudy (anonymous):
Substitute the first equation into the second equation. So you'll get -2x-3(6x-11)=-7 for the 2nd equation
OpenStudy (anonymous):
expand the bracket, then you'll get -2x-18x+33=-7 then -20x=-40 x=2
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