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19. Formation of an Equation and its Solution
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Q15 of 38 Page 190

Let’s find the roots of the equations (i.e. let’s solve the equations).



By cross multiplying we get


3(x+2)=5(x+3)


⇒ 3x+6=5x+15


⇒ 3x-5x=15-6


⇒ -2x=9



This is the required root of the given equation.


More from this chapter

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13

Salem uncle of our village used of this savings to buy a house after his retirement from a government job. One day after falling in trouble, he sold his house and got 5% more than his cost price. If he would have taken Rs. 3450 rupees more then he would get 8% more than his cost price. Let’s find the amount of money Salem uncle used to buy his house, and his entire savings.

14

There was a food provision for twenty days in a refugee camp of the village Goplapur. After 7 days, 100 more refugees joined the refugee camp and they consumed the food grains within 11 days. Let’s write the number of refugees that were present initially.

15 B

Let’s find the roots of the equations (i.e. let’s solve the equations).


15

Let’s find the roots of the equations (i.e. let’s solve the equations).

14 (x-2) + 3 (x+5) = 3(x+8) + 5


Questions · 38
19. Formation of an Equation and its Solution
1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 15 B 15 15 D 15 E 15 F 15 G 15 H 15 I 15 J 15 K 15 L 15 M 15 N 15 O 15 15 15 16 A 16 B 16 C 16 D 16 E
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