Answer:
x= 21
Step-by-step explanation:
[tex] \frac{63}{x} = 3 \\ 3x = 63 \\ \\ x = \frac{63}{3} = 21[/tex]
I hope I helped you^_^
21
63 times 21 will equal 3
63 divided 3 will equal 21
oops sorry I didn't simplify
