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OpenStudy (anonymous):
The sum of two numbers, a and b, is 12. Their difference is 8. Find the larger number
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rvc (rvc):
a+b=12 a-b=8
OpenStudy (midhun.madhu1987):
a + b = 12 a - b = 8 add these 2 equations
OpenStudy (midhun.madhu1987):
b will be eliminated and find a.
rvc (rvc):
same ^-^ add both
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