- 2y = 7 and xy = 2, find the value of (5x + 2y)
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hey mate....Here is ur answer.... It is attached below.. Hope it is useful...
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hruthika25:
plz mark as brainliest
but why
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y=-7/2
x*y=2
x*-7/2=2
x=-4/7
5x+2y
=5*-4/7+2*-7/2
=-20/7+(-7)
=(-20-49)/7
=-69/7 is the answer
your answer is wrong the right answer is 129
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