Question 368917
2x-3y=15 
x+y=6
multiply by 3
3x+3y=18
add this equation to the first equation
3x+2x+3y-3y=15+18
5x=33
x= 33/5
..
plug value og x in second equation
..
33/5 +y = 6
33+5y  / 5 =6
33+5y = 30
5y=30-33
5y=-3
/5
y = -3/5
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