in 1st pic why are we multiplying by 2 and 7 and in the second one by 2 and 3? Would appreciate a quick reply. Thanks a lot.
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1
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where is the picture? I am not getting
Answered by
1
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actually while solving X and Y
we have to eliminate any one of the term
so that we made the X co-efficients equal, by multiplying a number,
and then we subtract to get Y value.
and then we put the Y in any one of the Equation to get the X value
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