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20-11-2020
Mathematics

contestada

Solve the system by elimination
-6x + 6y = 0
9x - 8y = 4

Respuesta :

20-11-2020

Answer:

x=4, y=4

Step-by-step explanation:

X=(4+8y)/9

-6×(4+8y)/9 +6y=0

-2×(4+8y)/3+ 6y=0

-2×(4+8y) + 18y =0

-8-16y+18y=0

2y=8

y=4

-6x+6×4=0

-6x=-24

x=4

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