aurabanuelos15 aurabanuelos15

21-07-2017
Mathematics

contestada

Complete the solution of the equation. find the value of y when equals -7

-3x+6y=-21

Respuesta :

choixongdong choixongdong

21-07-2017

if x = -7 then
-3x+6y=-21
-3(-7) +6y = -21
21 + 6y = -21
6y = -42
y = -7

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