Q4 of 19 Page 89

Construct 3 equations starting with x = 2

The parts of the given question are solved below:


Here,


We have to frame three equations starting with x = 2


We have,


x = 2


Now,


Multiplying both sides by 5, we get:


5x = 10 (i)


Now,


Subtracting 3 from both sides, we get:


5x – 3 = 10 – 3


5x – 3 = 7 (ii)


Now,


Dividing both sides by 4, we get:


(iii)


Hence,


(i), (ii) and (iii) are the required equations.


More from this chapter

All 19 →
2

Solve the following equations:

(a) 2(x + 4) = 12 (b) 3(n – 5) = 21

(c) 3(n – 5) = -21 (d) -4(2 + x) = 8

(e) 4(2 – x) = 8

 3

Solve the following equations:

(a) 4 = 5(p – 2)

(b) – 4 = 5(p – 2)

(c) 16 = 4 + 3(t + 2)

(d) 4 + 5(p – 1) =34

(e) 0 = 16 + 4(m – 6)

 4

Construct 3 equations starting with x = - 2.

 1

Set up equations and solve them to find the unknown numbers in the following cases:

(a) Add 4 to eight times a number you get 60.


(b) One-fifth of a number minus 4 gives 3.


(c) If I take three-fourths of a number and add 3 to it, I get 21.


(d) When I subtracted 11 from twice a number, the result was 15.


(e) Munna subtracts thrice the number of


(f) Notebooks he has from 50, he finds the result to be 8.


(g) Ibenhal thinks of a number. If she adds 19 to it and divides the sum by 5, she will get 8.


(h) Anwar thinks of a number. If he takes away 7 from of the number, the result is 23.