Consider the following system: Equation 1: Ax+By = C
Equation 2: Dz + Ey = F
A, B,C, D,E, and F are non-zero real numbers. Which of the following could replace Equation 1 and
still have the same solution? Select al that apply.

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.