सरणी विधि से
x+y=4
5x+12y=13
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Answered by
10
Answer:
x=4-y
5(4-y)+12y=13
20-5y+12y=13
20+7y=13
7y=13-20
7y=-7
y=-7/7
y=-1
x-1=4
x=4+1
x=5
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4
ये आप का उत्तर है
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