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3x + y = -21 x+y=-5 solving systems of equations by substitution

3x + y = -21 x+y=-5 solving systems of equations by substitution
asked 78.8k views
1 vote
3x + y = -21
x+y=-5
solving systems of equations by substitution

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User Avall
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8.0k points

1 Answer

6 votes
First : x=-5-y and then put x in the phrase above
answered
User Ilyes Kooli
by
8.2k points
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