Question

The root of the equation 7(x-1)=21 is

Answer 1

Answer:

4

Explanation:

7(x-1)=21

7x-7=21

7x-7-21=0

7x-28=0

7x=28

x=4

Hence the root of the equation is 4.

Answer 2

Answer:

7(x-1)=21

7x-7=21

7x-7-21=0

7x-28=0

7x=28

x=4

please mark me as brainlst

Explanation: