Question

X divided by 7 = 3; 20, 21 , 22

HURRY PLEASE IM RUNNING OUT OF TIME

Answer 1

`\huge\boxed{x=21}`

Explanation:

`x:7=3\\\\(x)/(7)=3\qquad|\text{multiply both sides by 7}\\\\7\!\!\!\!\diagup\cdot(x)/(7\!\!\!\!\diagup)=7\cdot3\\\\x=21`