Respuesta :

arabellasdt

Answer:

x is equal to 5

Step-by-step explanation:

78 = 12x + 18

12x + 18 = 78

12x = 78 - 18

12x = 60

x = 60/12

x = 5

btw i made 78 equal to 12x + 18 because it is parallel. they both equal the same (i think its called parallel. idrk)

Romanempire10

X is equal to 5

78=12x+18

12x=78-18

12x=60

X=60/12

X=5