Katness16 Katness16

05-08-2020
Mathematics

contestada

42=−7(z−3)
solve for z
plzzz help me thxs a bunch
step by step if can thx

Respuesta :

maforchrist maforchrist

05-08-2020

Answer:

z=-3

Step-by-step explanation:

1:open the brackets.

2:take 21 to the other side to be subtracted by 42

3:you get a -z but you can take it to the other side to get a +z but -21 divide to get the answer

Answer Link

akkooskrishnan akkooskrishnan

05-08-2020

42=-7(z-3)

-7(z-3)=42

-7z+21=42

-7z=42-21

-7z=21

therefore,

z=21\-7

that is, -21\7=-3

Answer Link

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