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Qual o numero que expressa o valor de m?
Na equação x(m-3)+3x+4(m-5), sendo x = 2 Resolvi assim: 2(m-3)+3.2+4(m-5) 2m+4m-20 6m-20 m= 20/6 m= 10/3 Está correto? Tentei tirar prova real substituindo o valor de m e não consegui. Já...
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