Question

if 7x-1=20 what is the value of x​

Answer 1

Answer:

value of x is 3.

Step-by-step explanation:

7x=20+1

7x=21

x=21/7=3.

Answer 2

$\rm{7x-1=20}$

• Adding 1 to Both Sides

$\to\rm{7x-1+1=20+1}$

$\to\rm{7x=21}$

• Dividing Both Sides by 7

$\to\rm{7x/7=21/7}$

$\to\rm{x=3}$