Atelemarketer earns a fixed amount for each call that he makes as shown in the graph below if the telemarketer makes 12 calls how much will he earn in total

Lines that intersect at one point

You move the constant to the right side and change its sign to be 9z= -6 -8. that’s the first step.the second step would be calculate the difference of -8-6 to get -14. you equation should now be 9z=-14the last step is to divide both sides by 9 to get z=-14/9hope this