SerenityBlu SerenityBlu

07-02-2017
Mathematics

contestada

I want to know how to solve 5x-3y==23
7x+3y=-11
with elimination

Respuesta :

Arcad3a Arcad3a

07-02-2017

(5x - 3y =23) + (7x +3y = -11) =

12x = 12
x = 1

Substitute
5(1) -3y =23
5 - 3y = 23
-3y = 18
y = -6

x=1 and y=-6

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