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Vedmedyk [2.9K]
3 years ago
7

ass="latex-formula">
Mathematics
1 answer:
Goshia [24]3 years ago
7 0

Answer:

<h2>-1</h2>

Step-by-step explanation:

2x + 7  - 1 = 2x + 7

=  > 2x - 1 = 2x  + 7 - 7

=  > 2x - 1 = 2x

=  >  - 1 = 2x - 2x

=  > x =  - 1

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