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If 3then what is the value of |
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Answer» Answer: 3x+5y=9-----(1) 5x+3y=7-----(2) multiplying eq(1) by 5 & eq(2) by 3 we get 15x+25y=45 -15x ± 9y= - 21 _____________ 16y=24 y = 24/16 = 3/2 and x = 9-5x3/2/3 = -1/2 hence x = 1/2 and y = 3/2 so x + y = 1/2 + 3/2 = 2 |
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