Four times a number, x, plus five times a number, y, equals 79. Ten times x minus 5 times y equals 5. Find the numbers by setting up a system of linear equations and solving the system using the elimination method.

a) x = 7, y = 9

b) x = 6, y = 11

c) x = 8, y = 10

d) x = - 10, y = 7

Question

Davian Briggs

23 January, 08:50

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Answers (1)

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Abril Guerrero · Answer 1

Abril Guerrero 23 January, 09:54

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The correct answer is X=6 & Y=11

Four times a number, x, plus five times a number, y, equals 79. Ten times x minus 5 times y equals 5. Find the numbers by setting up a system of linear equations and solving the system using the elimination method.a) x = 7, y = 9b) x = 6, y = 11c) x = 8, y = 10d) x = - 10, y = 7