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04-02-2022
Mathematics

contestada

Solve the system of equations algebraically.

3x+8y=−6
x−y=9
(x,y)= (

Respuesta :

vidhuhari vidhuhari

04-02-2022

Step-by-step explanation:

x=y+9

substitute

3(y+9)+8y=-6

3y+27+8y= -6

13y = -6 -27

13y= -33

y = -33/13

x = -33/13 + 9

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