-84 = 3(5n + 2)
Multiply everything in the parenthesis.
-84 = 3(5n + 2)
3*5n + 3*2
-84 = 15n + 6
Subtract 6 from both sides
-84 = 15n + 6
-6 -6
-90 = 15n
Divide 15 from both sides
-90 = 15n
--------------
15 15
-6 = n
-6 is your answer.
Answer:
See below
Step-by-step explanation:
The answer is attached