billiebalmer billiebalmer

23-02-2021
Mathematics

contestada

Solve each system by substitution
-3x+2y=-3
4x-y=-1

Respuesta :

zeeman25 zeeman25

23-02-2021

Answer:

y=-3+3x/2

4x-y=-1

4x-(-3+3x/2)=-1

4x+3+3x=-2

4x+3x=-2-3

7x=-6/7

x=-6/7

y=-3+3x/2

y=-3+3(-6/7)/2

y=-3-18/7/2

y=-21-18/7/2

y=3/7/2

y=3/7×1/2

y=3/14

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