
Answer (a) :-



Hence , The value of x is 56 .
Answer ( b) :-





Hence , The value of y is 2 .
Answer ( c) :-





Hence , The value of x is 6 .
Answer ( d) :-





Hence , The value of y is 3 .
Answer ( e) :-




Hence , The value of k is 61/6 .
Answer ( f) :-






Hence , The value of W is 21 .
Answer ( g) :-






Hence, The value of x is 72 .