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Shtirlitz [24]
3 years ago
11

3) -x -1 = 7 + x - x

Mathematics
2 answers:
Nesterboy [21]3 years ago
8 0

Answer:

-8

Step-by-step explanation:

-x-1=7+x-x

-x-1=7

*-1 *-1

x+1=-7

  -1  -1

x=-8

hodyreva [135]3 years ago
7 0

Answer:

x= -8

Step-by-step explanation:

Hope this helps my guy

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