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OpenStudy (anonymous):
7X-6Y=1 -7X-6Y=-1 SOLVE THE FOLLOWING LINEAR EQUATIONS BY ELIMINATION
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OpenStudy (anonymous):
there are 3 methods of elimination;cross multiplication,comparing the equation and subsitution. adding both equations,we have, -12Y=0 Y=0 subsituting Y=0 in 7X-6Y=1 we have, 7X=1 X=1/7
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