charlottemessmann9 charlottemessmann9

23-11-2019
Mathematics

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How to solve -3z+1=7 step by step

Respuesta :

binaa13 binaa13

23-11-2019

Answer:

-2

Step-by-step explanation:

-3z+1=7

-3z= 7-1

-3z=6 /: (-3)

z= -2

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DevilSoul DevilSoul

23-11-2019

Answer:

z=-2

Step-by-step explanation:

We must cancel out the one by subtracting it by 7 which gives

= -3z=6

Now we divide by 3 which gives

=-z=2

Now it is minus. To get it positive we must make the 3 negative

z=-2

Answer Link

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