y+2y-5=11-y
y+2y+y=11+5
4y=16 |:4
y=4
1/2(2+x+2x-4+x)·4=44
2(4x-2)=44 |:2
4x-2=22
4x=22+2
4x=24 |:4
x=6
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y+2y-5=11-y
y+2y+y=11+5
4y=16 |:4
y=4
1/2(2+x+2x-4+x)·4=44
2(4x-2)=44 |:2
4x-2=22
4x=22+2
4x=24 |:4
x=6