Respuesta :

We have to find for what value of variable is x 3 times less than the 45 - 10 x :
x = ( 45 - 10 x ) / 3
3 x = 45 - 10 x
3 x + 10 x = 45 - 10 x + 10 x
13 x = 45
x = 45 : 13
Answer:
x = 45/13