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43 votes
43 votes
Solve by elimination.
2x+5y=-1
x+2y=0

User Monfresh
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1 Answer

30 votes
30 votes
2x+5y=-1
2x+5y+1=-1+1
2x+5y+1=0

x+2y=0
2y=-x
y= -1/2 x or y= -0,5x
User GLJ
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