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Mathematics, 20.07.2020 16:01 sindy35111
Considere a equação 5x + 5 = 4x - 2. a) substituindo x por -7 e efetuando os cálculos, mostre que -7 é a solução da equação. b) agora mostre que 5 não e a solução da equação.
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Considere a equação 5x + 5 = 4x - 2. a) substituindo x por -7 e efetuando os cálculos, mostre que -7...
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