Question

Q : 5 Solve the following sum
1. 7x – 4 = 3x​

Answer 1

Answer:

x=1

Step-by-step explanation:

7x – 4 = 3x​

=> 7x – 3x = 4

=> 4x = 4

=> x=1

Answer 2

Question:-

Solve the following sum

1. 7x – 4 = 3x

Answer:-

given:-

7x - 4 = 3x

• on taking 3x to the left ,it will become negative (it's a theorem)

so, it becomes

7x - 3x - 4 = 0

• Then taking 4 to the right it becomes positive,

4x = 4 ( 4x came from 7x-3x)

so,

x = 4/4

x = 1