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If x=7 and y=5 is the solution of 3x+ay=31. then the value of 'a' is ...... * |
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Answer» Step-by-step EXPLANATION: if x=7,y=5 PUT value in equation 3(7)+a(5)=31 =21+5a=31 =5a=31-21 =5a=10 =a =2 |
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