Seudónimo Seudónimo

04-03-2021
Mathematics

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Help me answer these questions

Help me answer these questions class=

Respuesta :

katkatkatkatkatkat katkatkatkatkatkat

04-03-2021

Answer:

4. z = -1

5. x = 3.5 or 7/2

Step-by-step explanation:

4.

-4z + 8 = 7z +14 + 5

-4z + 8 = 7z + 19

8 = 11z + 19

-11 = 11z

-1 = z

5.

6-x/5 = 6-3x+6/3

6-x/5 = 12-3x/3

18 - 3x = 60-15x

-3x = 42 - 15x

12x = 42

x = 3.5 or 7/2

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