Respuesta :

KwirkyKiwi

Answer:

-30

Step-by-step explanation:

diyaanuradhanair
Answer: -30

First, you must add 70 to the other side to get x alone.

- 100 = - 70 + x
+ 70 + 70
————————

Then you get your answer, -30.

- 30 = x

I hope this helps!

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