3y-2x=2x+y
x+y+5=3y-2x
4x-2y=0
3x-2y=-5
-3x+2y=5
x=5
20-2y=0
y=10
3y-y=2x+2x
x+2x+y-3y=-5
2y=4x /:2
y=2x
3x-2*2x=-5
3x-4x=-5
-x=-5
y=2*5
spr:
3*10-2*5=2*5+10
30-10=10+10
20=20
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3y-2x=2x+y
x+y+5=3y-2x
4x-2y=0
3x-2y=-5
4x-2y=0
-3x+2y=5
x=5
20-2y=0
y=10
3y-2x=2x+y
x+y+5=3y-2x
3y-y=2x+2x
x+2x+y-3y=-5
2y=4x /:2
3x-2y=-5
y=2x
3x-2*2x=-5
3x-4x=-5
-x=-5
x=5
y=2*5
y=10
spr:
3y-2x=2x+y
3*10-2*5=2*5+10
30-10=10+10
20=20