jasminesysourath22 jasminesysourath22

25-03-2020
Mathematics

contestada

Solve the system by elimination.
6x + 5y = 4
18x – 4y = 88
The solution set is {|
(Simplify your answer. Type an ordered pair.)

Respuesta :

ilovesunsets50 ilovesunsets50

25-03-2020

Answer:

(4,-4)

Step-by-step explanation:

3*(6x+5y=4)

18x+15y=12

-) 18x – 4y = 88

19y = -76

y=-4

plug back into first equation

6x + 5(-4) = 4

6x = 4+20

x=4

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