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13-03-2020
Mathematics

contestada

(14 points)
use an appropriate method (SUBSTITUTION or ELIMINATION)

12x+10y-30
3x+2y=-3

14 pointsuse an appropriate method SUBSTITUTION or ELIMINATION 12x10y303x2y3 class=

Respuesta :

adkinsmike663 adkinsmike663

15-03-2020

Answer:

Y=21

Step-by-step explanation:

12x+10y=30

-4(3x+2y=-3)

-12-8y=12

12x+10y=30

-12-8y=12

2y=42

y=21

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