SOLUTION: i have a question? i have no idea how to solve this problem by substitution x-3y= -3 5x - 3y = - 15

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Question 867826: i have a question? i have no idea how to solve this problem by substitution
x-3y= -3
5x - 3y = - 15
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
x-3y= -3
5x - 3y = - 15
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Solve the 1st eqn for x, then sub for x in the 2nd one.