the cost of petrol in a city is Rs. 70 per litre. find a linear equation in two variable where y represents number of litres of petrol consumed and Rs . x is total cost
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70y=x
70y-x=0.
So this is your equation...
70y-x=0.
So this is your equation...
ashu345:
can i write x+y=70
No u can't...
Plzz hit the thank u button if it helps
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