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) if (4,a) the point lying on the graph of equation 7x+2y =42What is the value of a? |
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Answer» ong>Answer: a= 7 Explanation: x=4 y= a From the GIVEN eq. i. e. 7x+2y=42 Now, PUTTING the value of x and y in the eq. We GET, 7(4) +2(a) = 42 28+2a = 42 2a =42-28 a = 14/2 a = 7 |
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