allaboutjackie allaboutjackie

13-05-2020
Mathematics

contestada

Solve using elimination.
2x – 4y = 10
-3x + 4y = -19

Respuesta :

nijagold nijagold

13-05-2020

Answer:

x= 9 y=2

Step-by-step explanation:

Add up the equations vertically to eliminate y.

-x=-9

change the signs:

x=9

substitute the given value of x into the equation 2x-4y=10

2(9)-4y=10

18-4y=10

4y=8

y=2

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