NCERT Solutions for Class 8 Maths Chapter – 2

NCERT Solution for Class 8 Maths Chapter – 2 Linear equation in one variable  Exercise – 2.1

Q1. Solve the following equations.

  • X – 2 = 7

Solution:-

 

X – 2 = 7

X = 9

 

  • Y + 3 = 10

Solution:-

 

Y + 3 = 10

Y = 7

 

  • 6 = z + 2

Solution:-

 

6 = z + 2

Z = 4

 

  • 3/7 + x = 17/7

Solution:-

 

3/7 + x = 17/7

X = 2

 

  • 6x = 12

Solution:-

 

X = 12/6

X = 2

 

  • T/5 = 10

Solution:-

 

T = 10 x 5

T =  50

 

  • 2x/3 = 18

Solution:-

 

2x = 18 x 3

2x = 54

X = 27

 

  • 6 = y/1.5

Solution:-

 

1.6 = y/1.5

Y = 1.6 x 1.5

Y = 2.4

 

  • 7x – 9 = 16

Solution:-

 

7x = 16 + 9

7x = 25

X = 25/7

 

  • 14y – 8 = 13

Solution:-

 

= 14y = 13 + 8

Y = 3/2

 

  • 17 + 6p = 9

Solution:-

 

= 6p = 9 – 17

= 6p = -8

= p = -4/6

= p = -4/3

 

  • X/3 + 1 = 7/15

Solution:-

 

X/3 + 1 = 7/15

X/3 = 7/15 – 1

X/3 = (7 – 15)/15

X/3 = -8/15

X/3 = -8/15 x 3

X/3 = -8/5

 

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