Fill in the blanks :-
2/7 = 8/--- = ---/-63
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=> 2/7 = 8/x = y/-63
=> 2/7= 8/x ( cross multiply)
=> 2 * x = 7 * 8
=> x = 7 * 8 / 2
=> x = 7 * 4
=> x = 28
=> 2/7 = 8/28 = y/-63
=> 2/7 = y/-63 ( cross multiply )
=> 2 * -63 = y * 7
=> 2 * -63 / 7 = y
=> 2 * 9 = y
=>18 = y
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