lpsegovia1981 lpsegovia1981

14-01-2024
Mathematics

contestada

Solve the system by elimination
9x + y = 2
-4x - y = -17

Respuesta :

sahilbyahut63 sahilbyahut63

14-01-2024

Answer:

9x+y=2

y=2-9x

Step-by-step explanation:

-4x-y=2

-4x-(2-9x) =2

-4x-2+9x=2

-4x+9x=2+2

5x=4

x=4÷5

[x=0.8]

y=2-9x

y=2-9(0.8)

y=2-7.2

[y=-5.2]

[x=0.8 and y= -5.2]

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