How do you solve 16n- 20\leq 2( 7n + 10)?

1 Answer
Mar 18, 2018

n<=20

Explanation:

16n - 20 <= 2(7n +10)

Distribute the left side

16n - 20 <= (2)(7n)+(2)(10)

16n - 20 <= 14n + 20

Then subtract 14n from both sides

16n - 20 - 14n <= 14n + 20 - 14n

2n - 20 <=20

Then add 20 on both sides

2n - 20 + 20 <= 20 + 20

2n <= 40

Finally, divide both sides by 2

(2n)/2 <= 40/2

n<=20