SOLUTION: how do you solve 5x+2y=24 10x-5y=-15

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Question 743860: how do you solve 5x+2y=24
10x-5y=-15
Answer by mzhades(1) About Me  (Show Source):
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5x+2y=24
10x-5y=-15
_______
5x=24-2y
x=(24-2y)/5
_______
10x-5y=-15
10[(24-2y)/5]-5y=-15
(240-20y)/5-5y=-15
240-20y-25y=-75
240-45y=-75
-45y=-75-240
-45y=-315
y=315/45
y=7
______
5x+2y=24
5x+14=24
5x=10
x=2