SOLUTION: How to get this ? 3/4p-1/3q=3 2q-p=10

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Question 759249: How to get this ?
3/4p-1/3q=3
2q-p=10

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
How to get this ?
3/4p-1/3q=3
2q-p=10
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I'd use substitution.
p = 2q-10
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3/4p-1/3q=3
Multiply by 12
9p - 4q = 36
9(2q-10) - 4q = 36
etc