Hank is thinking of a number. If he multiplies his number by seven and then adds 10, he gets 59. What is Hank’s number?

The product of two negative rational numbers is always zero sometimes zero never zero

Based on the graph, what is the initial value of the linear relationship? a coordinate plane is shown. a line passes through the y-axis at -2 and the x-axis at 3.

Could somebody me with this radical simplification?