Respuesta :

Autumnspring

Answer:

x=8

Step-by-step explanation:

We first simplify both sides of the equation so it turns out like this:

(5x+x) + (3+4) =55

6x+7=55

Then we subtract 7 from both sides:

6x+7-7=55-7

6x=48

From there we divide both sides by 6:

6x/6=48/6

x=8

antan22

Answer:es         8

S tep-by-step explanation:

5x+ 3 + x + 4  =55

6x=  55-7

6x= 48

x= 8