see the attached photo

O SYSTEMS OF EQUATIONS AND MATRICES Identifying the operations used to create equivalent syst... 7 Consider the following three systems of linear equations. System A System B System C 7x-6y=21 [A1] 3x=- [B1] x= [C1] 5x3y=6 [A2] 5x3y=6[Bz] 5x3y=6[C2] Answer the questions below. For each, choose the transformation and then fill in the blank with the correct number. The arrow (> ) means the expression on the left becomes the expression on the right. How do we transform System A into System B? O [:J X Equation [A1] ' Equation [Bl] O D x Equation [A2] -> Equation [32] O D x Equation [A1] + Equation [AZ] -> Equation [52] O D x Equation [A2] + Equation [A1] ' Equation [Bl] How do we transform System B into System C? O D x Equation [Bl] -> Equation [(21] O D X Equation [BZ] ' Equation [C2] 0 [j x Equation [Bl] + Equation [32] -' Equation [c2] 0 D x Equation [BZ] + Equation [Bl] ' Equation [C1]