Respuesta :
X=3 i think , sub -3x from 3x & 7x and you’ll get 4x . Add +2 to 2 & 10 . 4 divided by 12 is 3 x=3
Answer: x=3
Step-by-step explanation:
7x-2=3x+10
-3x -3x
4x-2=+10
+2 +2
4x=12
4x/4=12/4
x=3