(worth 10 points)

2x + 5 = 7x - 15

(x-5)1/2+5=2 what is a possible solution?

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?

If x varies directly as y, and x = 7.5 when y = 10, find x when y = 4