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Quizzicalkitty8
26.09.2019 •
Mathematics
Ineed learning how to do these problems some how whenever i do them i always get it wrong i have a test wednesday!
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Ответ:
After that, we have -4x+5y=6 and -6x-12y=-14. You can multiply the second equation by -2/3 and add on to get -3y=(-28/3)+6 and y=-((-28/3)+6)/3. Solve from there by plugging it in for variables as shown, then with z after x. The next two are similar, but feel free to ask if you have any issues with those!
Ответ:
Step-by-step explanation:
so yeahh