Respuesta :
Answer:
Step-by-step explanation:
12x +4 = 85
1) Subtract 4 from both sides
12x +4 = 85
-4 = -4
12x = 81
2) Divide both sides by 12
12x/12 = 81/12
It gives you: x = 6.75
Answer: 6 3/4
Step-by-step explanation: you subtract 4 from both sides and then you will divide 12 from both sides