What is the equal values method

answer:

According to Google, a method for solving a system of equations. To use the Equal Values Method, take two expressions that are each equal to the same variable and set those expressions equal to each other. For example, in the system of equations at right, −2x + 5 and x − 1 each equal y.

the answer is c)8

step-by-step explanaction:

i would need to see the dot plot : )