Question:show all of your work and includes all properties used on the right hand side of the Tabel. Solve the following equation for x, fill in the justification table for each. Equation:3x+95x+21

Find the solution of this system of equation -7x+y=-20 9x-3y=36

Need asap. solve for the following inequality

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?