juliach4ever
juliach4ever
12-01-2017
Mathematics
contestada
Simplify 8 + 3{x - 2[x + 5(x + 3)]}.
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Аноним
Аноним
12-01-2017
8 + 3{x - 2[x + 5(x + 3)]}.
=
8 + 3{x - 2[x + 5x + 15]}
=
8 + 3{x - 2[6x + 15]}
=8 + 3{x - 12x -30}
=8 + 3{- 11x -30}
= 8 - 33x - 90
= - 33x - 82
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