Question 276460
5x+3y=-11 multiply by 2
7x-2y=19 multiply by 3 & add.
10x+6y=-22
21x-6y=57
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31x=35
x=35/31 ans.
5*35/31+3y=-11
175/31+3y=-11
3y=-11-175/31
3y=(-11*31-175)/35
3y=(-341-175)/31
3y=-516/31
y=(-516/31)/3
y=-516/31*1/3
y=-516/93
y=-172/31 ans.