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a fost răspuns

rezolvati in R ecuatia :
2x+1-2(y+1)
5x-10y=15
varog ajutatina

Răspuns :

Hell0
2x+1-2(y+1)=4
5x-10y=15 / :5 => x-2y=3 => x=2y+3

2x+1-2y-2=4 => 2x-2y=4-1+2 => 2x-2y=5

2x-2y=5
x=2y+3

2(2y+3)-2y=5 => y= -1/2
x=2




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