Question

Solve for n.
5n + 5n - 8n = 18

Answer 1

9

Explanation:

5n + 5n - 8n = 18

Taking common terms;

(5+5-8)n = 18

2n = 18

Divide through by 2

2n/2 = 18/2

n = 9

Answer 2

n = 9

5n + 5n - 8n = 18

10n - 8n = 18

2n = 18

(÷ 2)

n = 9

I hope this helps!