fionajacob8 fionajacob8
  • 18-12-2020
  • Mathematics
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What is the first step to solve the following system of equations using substitution?
X-y=-1
2x-y=3

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kwil5940
kwil5940 kwil5940
  • 18-12-2020

Answer: Add to both sides

Step-by-step explanation:

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mckennanugent mckennanugent
  • 18-12-2020
solve for y in the first equation
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