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pychu [463]
3 years ago
8

Please help me! Thanks

Mathematics
2 answers:
Vitek1552 [10]3 years ago
8 0
1=a+b. 2=a-b a= 2+b 1=2+b+b. a=2-1/2=3/2 -1=2b b=-1/2 a/b= (3/2)/(-1/2) = (3/2)(-2/1) =-3
Molodets [167]3 years ago
4 0
(Cross Multiply)2a+2b=a-b
a=-3b
if b=1; a=-3
correct answer is -3..
Good Luck..
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