kaitlyngilbertor5iyq kaitlyngilbertor5iyq

08-06-2017
Mathematics

contestada

What is the solution of this system of equations: 5x=-10-5y; 5x+10y=-25

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Lieuvan119 Lieuvan119

08-06-2017

5x=-10-5y
Add 5y for both side
5x+5y=-10
-
5x+10y=-25
=
-5y=15
Divided -5 for both side
y=-3
5x+10y=-25
5x+10(-3)=-25
5x-30=-25
Add 30 for both side
5x=5
Divided 5 for both side
x=1. Hope it help!

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