Respuesta :

stormiarmy
Answer: x=3

Step 1: multiply both sides of the equation by 21

21 × 1/21 x = 21 × 1/7

Step 2: Reduce the number with the greatest common factor 21.
x= 21 × 1/7

Step 3: Reduce the number with the greatest common factor 7.
x=3
vskellet

Answer:

x=3

Step-by-step explanation: