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16-03-2021
Mathematics

contestada

How do you solve this using substitution
-8x-y=-30
Y=12x-50

Respuesta :

mabelleanne mabelleanne

16-03-2021

Step-by-step explanation:

substitude the y value into y in the first equation

-8-(12x-50)=30

-8-12x+50=30

you see it?

then solve

-8+50-30=12x

you got the value = 12x

then you divide with 12

finally you get x

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