SOLUTION: solve A+2B+2C=27 A+B+C=16 2A+B+2C=27

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Question 329046: solve
A+2B+2C=27
A+B+C=16
2A+B+2C=27
Answer by JBarnum(2146) About Me  (Show Source):
You can put this solution on YOUR website!
A%2B2B%2B2C=27
A%2BB%2BC=16
2A%2BB%2B2C=27


A%2BB%2BC=16 multiply by 2
2A%2B2B%2B2C=32
2A%2BB%2B2C=27subtract
highlight%28B=5%29


A%2BB%2BC=16 multiply by 2
2A%2B2B%2B2C=32
A%2B2B%2B2C=27subtract
highlight%28A=5%29


A%2BB%2BC=16 substitute
5%2B5%2BC=16 add
10%2BC=16 subtract 10
highlight%28C=6%29