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Anonymous
a = 2b - c
a + c = 2b
(a+c)/2 = b
b = (a+c)/2
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a=2b 4b=6c becomes 2b=3c a=3c
a + 2b = c a = c - 2b
2b=6squared, and 6x6=36
3Mgo+2B
3a + 2b = (3*6) + (2*5) = 18 + 10 = 283a+2b= (3x6)+(2x5)= 18+10=28