atoriehansell20 atoriehansell20

03-02-2018
Mathematics

contestada

3x+3y=27
3x-3y= -11
using elimination

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texaschic101 texaschic101

03-02-2018

3x + 3y = 27
3x - 3y = -11
------------------add
6x = 16
x = 16/6 which reduces to 8/3

3x + 3y = 27
3(8/3) + 3y = 27
8 + 3y = 27
3y = 27 - 8
3y = 19
y = 19/3

solution is (8/3, 19/3)

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