Question

1) Resolva a equação 2(x - 3) = - 5(x +4) e marque a alternativa correta: * 6 pontos a) - 1 b) - 2 c) 1 d) 2

Answer 1

2 (x - 3) = - 5 (x + 4)
2x -6 = -5x - 20
2x + 5x = - 20 + 6
7x = - 14
x = - 14/7
x = -1

Alternativa A

Answer 2

Resposta:

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