14-06-2017
Mathematics

contestada

Solve this system of equations using substitution. Put your answer in ordered pair form, (x, y).

8x - y = 4
5x + 3y = 17

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19-06-2017

-y=-8x+4
y=8x-4
5x+3(8x-4)=17
5x+24x-12=17
29x-12=17
29x=29
x=1
8(1)-y=4
-y=-4
y=4
(1,4)

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