Consider the following three systems of linear equations. System A -9x-2y=-15 [A1] 5x+4y=-9 [A21 System B -9x-2y = -15 [81] -13x=-39 [82] 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 * Equation [A1] → Equation [11] O * Equation [42] → Equation [82] * Equation [A1] + Equation [A2)- Equation (82) * Equation [A2+ Equation [A1] →→ Equation (81) How do we transform System B info System C? O * Equation [81] → Equation (C1) System C -9x-2y=-15 [C1] x=3 [C2] * Equation [82] → Equation (C2) * Equation (81) + Equation [82] → Equation (C2) * Equation (82)+ Equation [81] → Equation (C1) 8 08 X S ?

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