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If 47x + 31y = 18 and 31x + 47y = 60, then find the value of x+ y |
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Answer» Answer: x+y=1 Step-by-step EXPLANATION: let 47x+31y=18-equation 1 let 31x+47y=60-equation 2 add equation 1 from equation 2 =78x+78y=78 =78(x+y)=78 =x+y=78/78 =x+y=1 HOPE it helps you! |
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