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alexandr402 [8]
3 years ago
5

Solve 3[-x + (2 x + 1)] = x - 1. x = 2

Mathematics
1 answer:
Gekata [30.6K]3 years ago
7 0

Answer:

x = -2

Step-by-step explanation:

3[- x + (2x + 1)] = x - 1

=  > 3[ - x + 2x + 1 ] = x - 1

=  > 3[x + 1] = x - 1

=  > 3x + 3 = x - 1

=  > 3x - x =  - 1 - 3

=  > 2x =  - 4

=  > x =  \frac{ - 4}{2}  =  - 2

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