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In a shop, two offers are modeled by \(x+2y=18\) and \(x+y=11\). What is their common point on the graph?एक दुकान में दो ऑफर \(x+2y=18\) और \(x+y=11\) से मॉडल किए गए हैं। ग्राफ पर दोनों का सामान्य बिंदु क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: Point \(\left(4,7\right)\)बिंदु \(\left(4,7\right)\)
Subtracting the second from the first gives \(y=7\), then \(x+7=11\) gives \(x=4\). In any context, the common point is the solution.पहले से दूसरे को घटाने पर \(y=7\), फिर \(x+7=11\) से \(x=4\)। संदर्भ कोई भी हो, सामान्य बिंदु ही हल है।
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