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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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2 votes
What is the first step to solve the following system of equations using substitution?

X-y=-1
2x-y=3

User SuperJMN
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2 Answers

3 votes
solve for y in the first equation
User Dwrbudr
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3 votes

Answer: Add to both sides

Explanation:

User Ekim Boran
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