Question

3n-15=7n+n EXPLAIN NUMBER FORM NO WORDS AT ALL

Answer 1

Explanation:

3n−15=7n+n

3n-15=8n

3n-15+15=8n+15

3n=8n+15

3n-8n=8n+15-8n

-5n=15

answer:

n= -3

Answer 2

Explanation:

3n-7n-n = 15

5n = 15

n = 15 ÷ 5

n = 3