fionajacob8 fionajacob8

18-12-2020
Mathematics

contestada

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

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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