Report - PROJETO SIMULADÃO -FINACEIRA PROF. … · Ex. 2) 3x – 12 = -13 (soma 12 nos dois membros p/ isolar x) 3x – 12 + 12 = 12 – 13 3x = -1 x = -1/3 Resolver: a) 4x + 12 = 6 pdf b)

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