w(-2)=-8+4a-2b-6=4a-2b-14
w(3)=27+9a+3b-6=9a+3b+21
4a-2b=14 /2
9a+3b=-21 /3
2a-b=7
3a+b=-7
5a=0
a=0
b=-7
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w(-2)=-8+4a-2b-6=4a-2b-14
w(3)=27+9a+3b-6=9a+3b+21
4a-2b=14 /2
9a+3b=-21 /3
2a-b=7
3a+b=-7
5a=0
a=0
b=-7