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OpenStudy (anonymous):
The sum of two numbers is 20. Their difference is 4. a. Write a system of equations that describes this situation. b. Solve by elimination to find the two numbers
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OpenStudy (anonymous):
a) x+y=20 x-y=4
OpenStudy (anonymous):
to eliminate you would|dw:1335916781757:dw| no its easy to solve for y
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