Respostas
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Resposta:
5x - 7 = 1 + x
2 2 m.m.c. = 2
5x - 7 = 1 + 2x
2 2
5x - 7 = 1 + 2x
5x - 2x = 1 + 7
3x = 8
x = 8/3
Explicação passo-a-passo:
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