solve,7m-2n/mn=5; 8m+7n/mn=15
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7m-2n=5mn....(1)
8m+7n=15mn.....(2)
by multiplying(1) with7
and (2) with 2
then
49m-14n=45mn
16m+14n=30mn
gives 65m=75mn
n=65/75
by substituting n value
we get m=26/40
8m+7n=15mn.....(2)
by multiplying(1) with7
and (2) with 2
then
49m-14n=45mn
16m+14n=30mn
gives 65m=75mn
n=65/75
by substituting n value
we get m=26/40
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