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3-(2x+1)=6+(3y+2)
2x-4-6-3y=0
3-2x-1=6+3y+2
2x-3y=10
-2x-3y=-6
-6y=4
y=-4/6=-2/3
2x-10-3*(-2/3)=0
2x-10+2=0
2x=8
x=4
y=-2/3
spr.
2*4-4-6-3*(-2/3)=0
8-10+2=0
0=0
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