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Mathematics 9 Online
OpenStudy (anonymous):

Write a system of two equations using x and y in each for the following. Then solve. The sum of two numbers is 170 and their difference is 26. Find the two numbers.

OpenStudy (campbell_st):

so you have 2 numbers, let them be x and y you know x + y = 170 x - y = 26 to solve add the equations together... 2x = 196 solve for x when you have x substitute into either equation to find y

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