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21-02-2020
Mathematics

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х = 7y - 22
Зу - х = 14
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saijuchacko saijuchacko

21-02-2020

Answer:

SUBSTITUTION METHOD:

3y - 7y - 22 = 14

-4y - 22 = 14

-4y = 14 + 22

-4y = 36

y = 36/-4

y = -9

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