Question

The sum of 5.75 and half a number is -5. What is the number? Please help!

Answer 1

Answer:

$5.75 + \frac{x}{2} = - 5 \\ \frac{x}{2} = - 5 - 5.75 \\ \frac{x}{2} = - 10.75 \\ x = - 21.5$