Respuesta :

Answer:

A.  3(x+2)=18

     3(x)+3(2)=18

B.   x+2=18   Multiply x+2 by 3

   3(x+2)=18

tep-by-step explanation:

x + 2 = 18
-2 -2
Subtract the two

x =16


3(x+2)=18

6x=18

divide it by 6

x = 3