Find all solutions of the given system of equations and check your answer graphically. hint [see examples 1-4.] (if there is no solution, enter no solution. if the system is dependent, express your answer in terms of x, where y = y (x).) x - y = 0 x + y = 4

Question

Andy Mays

Mathematics

20 January, 14:40

Find all solutions of the given system of equations and check your answer graphically. hint [see examples 1-4.] (if there is no solution, enter no solution. if the system is dependent, express your answer in terms of x, where y = y (x).) x - y = 0 x + y = 4

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Answers (1)

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Lucas · Answer 1

x - y = 0 = difference

x + y = 4 = sum

Can be solved by the sum and difference rule (most of the time without pen and paper)

x = (sum+difference) / 2=0+4/2=2

y = (sum-difference) / 2 = (4-0) / 2=2