Respuesta :

30x-x-144 might get you closer

Answer:

x= 12.41

simplified equation= 29x-360

Step-by-step explanation:

distribute

-x+4

then combine like terms

30x-x=29x

-140 +4=-136

29x-136=0

to get x on one side of the equation

29x-360= 0

+360. +360

29x=360

29. 29

x=12.41