Quanto é: 3(x - 1) - 2(x + 1) > - 9 a) - 3 ; - 2; - 1 ; 0 ; 1 b) - 4; - 3; - 2 c) - 5; - 6; - 7 me ajuda plssssss urgeeeeeeenteeeeeeeeeeeeeeeee
Soluções para a tarefa
Respondido por
2
Explicação passo-a-passo:
3.(x - 1) - 2.(x + 1) > -9
3x - 3 - 2x - 2 > -9
x - 5 > -9
x > -9 + 5
x > -4
x = {-3, -2, -1, 0, ...}
Letra A
TeteufsVelozo:
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Respondido por
1
Resposta: 3(x - 1) - 2(x + 1) > - 9
3x-3 - 2x-2 > - 9
x> - 4
Letra A, pois começa de um número maior que o -4
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