SOLUTION: Solve 5x + 2y = 7 10x + 4y = 14 Please show work

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Question 627708: Solve 5x + 2y = 7
10x + 4y = 14
Please show work
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Hint: Multiply everything in equation #1 by -2 to get -10x - 4y = -14

So we now have
-10x - 4y = -14
10x + 4y = 14

Add the equations. What do you get?