alexis1949 alexis1949

20-11-2019
Mathematics

contestada

1-7x - 7=15 please answer and show how you got answer please

Respuesta :

malijahm malijahm

20-11-2019

Answer:

x=-3

Step-by-step explanation:

1-7x-7=15

We move all terms to the left:

1-7x-7-(15)=0

We add all the numbers together, and all the variables

-7x-21=0

We move all terms containing x to the left, all other terms to the right

-7x=21

x=21/-7

x=-3

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