tristenmiller032804 tristenmiller032804

05-10-2020
Mathematics

contestada

Solve the system x+2z=30 y+z=12 z=1

Respuesta :

jennyzhang096 jennyzhang096

05-10-2020

Answer:

x=28 y=11 z=1

Step-by-step explanation:

plug in 1 for z in x+2z=30 to get x+2(1)=30. Then you should get x+2=30 which is x=28.

Then, plug 1 in for the second equation of y+z=12 so you get y+1=12. Then you should get y=11.

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