Respuesta :
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 :)
Hope this helps :)