shay191 shay191

15-06-2017
Mathematics

contestada

what is the solution to the system of equations ?y=2x-3.5 x-2y=-14

Respuesta :

15-06-2017

y = 2x-3.5 ----->1
x-2y=-14. ----->2

1 into 2

x-2(2x-3.5)=-14
x-4x+7=-14
-3x=-14-7
-3x=-21
x=-21/-3
x=7 --- -->3

3 into 1

y = 2x-3.5
y=2(7)-3.5
y=10.5

:)

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kaleblopez2003 kaleblopez2003

08-08-2018

ANSWER IS C E2020 :.

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