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2. Linear Equations in One Variable
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Q22 of 51 Page 2

Solve the following equations and verify your answer:




On cross multiplication, we get

2x - 10 = x

2x - x = 10

x = 10

Check:


Taking LHS



On substitutingwe get





We got LHS=RHS

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20

Solve the following equations and verify your answer:

21

Shobo’s mother’s present age is six times Shobo’s present age. Shobo’s age five years from now will be one third of his mother’s present age. What are their present ages?

23

There is a narrow rectangular plot, reserved for a school, in Mahuli village. The length and breadth of the plot are in the ratio 11:4. At the rate Rs 100 per metre it will cost the village panchayat Rs 75000 to fence the plot. What are the dimensions of the plot?

24

The sum of the ages of Anup and his father is 100. When Anup is as old as his father now, he will be five times as old as his son Anuj is now. Anuj will be eight years older than Anup is now, when Anup is as old as his father. What are their ages now?

Questions · 51
2. Linear Equations in One Variable
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