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notsponge [240]

3 years ago

8

Substitution method y=-3 2x+y=5 x-2y+z=6

1 answer:

satela [25.4K]3 years ago

3 0

Answer:

u r in highschool

Step-by-step explanation:

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Step-by-step explanation:

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ElenaW [278]

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3 years ago

Helppppp needed plz quick

olga nikolaevna [1]

Answer:

Step-by-step explanation:

9x - 77 = 7x - 43

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3 years ago