Question 743860
5x+2y=24
10x-5y=-15
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5x=24-2y
x=(24-2y)/5
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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
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5x+2y=24
5x+14=24
5x=10
x=2