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19. Formation of an Equation and its Solution
Home · Class 8 · Maths · Ref. Book · 19. Formation of an Equation and its Solution
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Q1 of 38 Page 190

Sima has written a number. If 2 is added to twice the number, it becomes 5 less than thrice the number. Let’s write the numbers that Sima has written.

Let the number be x

2 is added to twice the number is 2x + 2.


5 less than thrice the number is 3x – 5


So,


2x + 2 = 3x – 5


Solve it,


2x – 3x = - 5 – 2


- X = -7


X = 7


More from this chapter

All 38 →
1

Shibani has given some marbles to Murad and me. If the number of marbles of Murad is 2 less than 7/3 part of marbles of mine then calculate the possible number of marbles of Murad.

If Murad got 40 marbles, then let's find the number of marbles Shibani has given to me…


2

Let’s write down three consecutive integers such that 5 less than the sum of the number is equal to 11 more than twice the second number. Let’s find the three consecutive integers.

3

Let’s find a number such that one-fourth of the number is 1 less than one-third of the number.

4

Let’s find a fraction whose denominator is 2 more than the numerator and when 3 is added to the numerator and 3 subtracted from the denominator, the fraction becomes equal to .

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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