Respuesta :

Simplify 10/4 to 5/2 
Then multiply both by x, Then simplify 5/2 to 5x/2 and you get 5x/2 = 15
After that multiply by 2, 15 x 2 to 30
Then divide both by 5, x= 30/5 
finally 30/5 = 6 
 so your answer is 6