Respuesta :

cad311
move 1 to the other side, making it negative
-1+106=7n
105=7n
divide both sides by 7
n=15

Answer:

n = 15

Step-by-step explanation:

106 = 1 + 7n

1-        1-

-------------------

105 = 7n

÷7       ÷7

------------------

15 = n

your goal is to get the variable by itself