Question 982028
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Second equation:
x-2y=7
x=2y+7
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First equation:
2x-5y=3 Substitute for x.
2(2y+7)-5y=3
4y+14-53y=3
-y+14=3
-y=-11
y=11
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x=2y+7
x=2(11)+7=29
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ANSWER: x=29 and y=11
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CHECK:
x-2y=7
29-2(11)=7
29-22=7
7=7
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CHECK 2:
2x-5y=3
2(29)-5(11)=3
58-55=3
3=3