What should be done to solve x + 14 = 21

Asystem of linear equations contains two equations with the same slope. select all of the correct statements. i a. the system may have two solutions. - b. the system may have infinitely many solutions. c. the system may have one solution. o d. the system may have no solution. submit

What is the missing reason in the proof? segment addition congruent segments theorem transitive property of equality subtraction property of equality?

How do you find the distance of each number from the mean