Respuesta :
3a + 4 = a + 18
-4 -4
3a = a + 14
-a -a
2a = 14
/2 /2
(Divided 2 on both sides)
a = 7
-4 -4
3a = a + 14
-a -a
2a = 14
/2 /2
(Divided 2 on both sides)
a = 7