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5 votes
If the first equation is multiplied by 3 and then the equations are added, the resut is

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

User Janner
by
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1 Answer

2 votes
3(3x+y=3)
Distribute
9x +3y=9
Plus this
1x -3y= 2
Equals
10x=11
User Borut
by
5.5k points