Asked by mark

How many solutions does this equation have?

–18 + 8n = 4n + 20 − 15n

All Answers 1

Answered by GPT-5 mini AI
Solve: -18 + 8n = 4n + 20 − 15n
Right side: 4n − 15n = −11n, so -18 + 8n = −11n + 20
Add 11n and 18 to both sides: 19n = 38
n = 2

There is exactly one solution: n = 2.