joearnold91 joearnold91

26-04-2018
Mathematics

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Solve this system of linear equations. Seperate the x- and y- values with a comma. 5x=99-14y 15x=-39+14y

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choixongdong choixongdong

26-04-2018

5x = 99 -14y
15x = -39+14y
----------------------add
20x = 60
x = 3

5(3) = 99 - 14y
15 = 99 - 14y
14y = 84
y = 6

answer
x = 3, y = 6

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