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OpenStudy (anonymous):
Write a system of two equations using x and y for the following problem: The sum of two numbers is 170 and their difference is 26. Find the two numbers.
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OpenStudy (anonymous):
x + y = 170 x - y = 26 Subtract them: 2y = 144, hence y = 72 then from second equation: x = 26 + y = 26 + 72 = 98
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