Issac has to buy pens and pencils for the upcoming school year. Issac buys 108 writing utensils total. He buys 12 more than 5 times the number of pencils than pens. How many pens did Issac buy?
Stream of thoughts:
16
Let x be the number of pens bought.

He bought 12 + 5x pencils.

x + (12 + 5x) = 108.

6x + 12 = 108.

6x = 96.

x = 16 pens.

.

The answer is 16