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Plz help me with this
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1 vote
Plz help me with this

Plz help me with this-example-1
User Alexandr Evstigneev
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1 Answer

2 votes
2x-7y=18 _(1)
-2x+4y=5

11y=23 , Y=23/11 sub in 1

2x-7×23/11=18

2x = 18×11 + 7×23

x = ( 198 + 161 )/2 = 359/2
User Vvchik
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