SOLUTION: 6a+3b=4,a+b=1

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Question 990349: 6a+3b=4,a+b=1
Answer by Boreal(15235) About Me  (Show Source):
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6a+3b=4
a+b=1
b=1-a
substitute into first equation
6a+3(1-a)=4
6a+3-3a=4
3a=1
a=(1/3)
b=(2/3)
6*(1/3)=2
3*(2/3)=2
and 6a+3b=4