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  • 18-11-2022
  • Mathematics
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Which options shows the correct first step to solve the system of equations?
3x+4y=5
z=-by+8
O 3x+4y=6y+8
O3(-6y+8)+4y=5
O 3x+4(-6y)=5
O 3x+4(-6y+8)=5

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