SOLUTION: Solve each system by substitution or addition, whichever is easier. 2y-3x=-1 5y+3x=29

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Question 398147: Solve each system by substitution or addition, whichever is easier.
2y-3x=-1
5y+3x=29
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
Addition's much easier. If we add the two equations, we get

(2y - 3x) + (5y + 3x) = 28

7y = 28

y = 4. Replace y = 4 into either equation to get x = 3.