SOLUTION: x+3y=9 x+y=1 combine llike terms 4y=9 divide by 4 y=2.25 substitute x+2.25=1

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Question 558512: x+3y=9
x+y=1 combine llike terms 4y=9
divide by 4 y=2.25
substitute x+2.25=1
i think that's wrong help please
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
subtracting equations ___ x + 3y - x - y = 9 - 1 ___ 2y = 8

solve for y and substitute back to find x