find x such that the rational numbers in each of the following pairs become equivalent I) 9/-5,x/10 ,2)8/7,x/35,3)
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Answer:
i) x=-18
ii)x=40
Step-by-step explanation:
i) As both are equal,
9/-5=x/10
cross multiply
9×10=x×(-5)
90=-5x
x=90/-5
x= -18
ii) 8/7=x/35
cross multiply
8×35=x×7
280=7x
x=280/7
x=40
You have not mentioned the 3 rd question dear.
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