Question

$3(1 - 2x) < 2( x + 1) + \times - 7$
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Answer 1

Resposta:

3 (1-2x) < 2 (x + 1) + x - 7 

3 -6x < 2x +2 +x -7

-6x -2x -x < 2 -7 -3

-9x < -8 .(-1)

+9x > +8

x > 8/9