Respuesta :

crystivia

Answer:

0.4

Step-by-step explanation:

Divide both sides by 10

10x/10 = 4/10

x = 0.4
If 10x=4 that means x would equal 0.4 bc you would divide 10x by 10 and divide 4 by 10 which would get you 4/10 then turn that into a decimal which would be 0.4

Hope this helps :)