SOLUTION: please help me with these problems 4x+7y=28 10x+20y=40 6z / 5x = 30

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Question 772610: please help me with these problems
4x+7y=28
10x+20y=40
6z / 5x = 30


Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
please help me with these problems
4x+7y=28
10x+20y=40
6z / 5x = 30
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Help do what?