NCERT Class 8 Math Exercise 2.3 Solution of Chapter 2 Linear Equations in one Variable with explanation. Here we provide Class 8 Maths all Chapters in Hindi for cbse, HBSE, Mp Board, UP Board and some other boards.

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NCERT Class 8 Maths Chapter 2 Linear Equations in one Variable Exercise 2.3 Solution in english Medium.

**Class 8 Maths Chapter 2 Exercise 2.3 Solution**

**Q.1. Solve the following equations and check your results.**

**1. 3x = 2x + 18**

**Solution:**

3x = 2x + 18

3x – 2x = 18

x = 18

Hence x = 18 is the required solution.

Checking result

Putting x = 18, we have

LHS

3x = 3 × 18 = 54

RHS

2x + 18 = 2 × 18 + 18 = 54

LHS = RHS

Hence verified.

**2. 5t – 3 = 3t – 5**

**Solution:**

5t- 3 = 3t – 5

5t – 3t = -5 + 3

2t = -2

t = -2/2

t = -1

Hence t = -1 is required solution.

Checking result

Putting t = -1 , we have

LHS

5t – 3 = -8

RHS

3t – 5 = -8

LHS = RHS

Hence verified.

**3. 5x +9 = 5 + 3x**

**Solution:**

5x + 9 = 5 + 3x

5x – 3x = 5 – 9

2x = -4

x = -4/2

x = -2

Hence, x = -2 is required solution.

Checking result

Putting x = -2 , we have

LHS

5x + 9 = 5 × (-2) + 9 = -1

RHS

3x + 5 = 3 × (-2) + 5 = -1

LHS = RHS

Hence verfied.

**4. 4z + 3 = 6 + 2z**

**Solution:**

We have,

4z + 3 = 6 + 2z

4z – 2z = 6 – 3

2z = 3

z = 3/2

Hence z = 3/2 is required solution.

Checking result

Putting z = 3/2

LHS

4z + 3 = 4(3/2) + 3 = 9

RHS

6 + 2z = 6 + 2(3/2) = 9

LHS = RHS

Hence verified.

**5. 2x -1 = 14 – x**

**Solution:**

We have,

2x – 1 = 14 – x

2x + x – 1 = 14

3x = 14 + 1

3x = 15

x = 15/3

x = 5

Hence x = 5 is required solution.

Checking result

Putting x = 5 , we have

LHS

2x – 1 = 2 × 5 – 1 = 9

RHS

14 – x = 14 – 5 = 9

LHS = RHS

Hence verified.

**6. 8x + 4 = 3(x – 1) + 7**

**Solution:**

We have 8x + 4 = 3(x – 1) + 7

8x + 4 = 3x – 3 +7

8x + 4 = 3x + 4

8x – 3x + 4 = 4

5x = 4 – 4

5x = 0

x = 0

Hence x = 0 is required solution.

Checking result

Putting x = 0

LHS

8x + 4 = 8 × 0 + 4 = 4

RHS

3(x – 1) + 7= 3(0-1) + 7 = 4

LHS = RHS

Hence verified.

**7. x = 4/5(x + 10)**

**Solution:**

We have, x = 4/5(x + 10)

5x = 4(x + 10)

5x = 4x + 40

5x – 4x = 40

x = 40