Question

find the value if x​

Answer 1

Answer:

21-3(x-7) = x+20

21-3x+21 = x +20

-3x+42 = x+20

-3x-x = 20-42

-4x = -22

4x = 22

x = 22/4

x = 11/2

x = 5.5

Read my bio once

Answer 2

Step-by-step explanation:

21-3(x-7) = x+20

21-3x+21 = x+20

42-20 = 4x

4x = 22

x = 22/4

x = 5.5