karen-marshall_60c307610274a
karen-marshall_60c307610274a
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Você tem que isolar “X” do lado esquerdo do sinal de igual (=), e n° sem letra do lado direito assim: x+1+2x = 5x+11 x+2x- 5x = 11-1 +3x -5x = 10 -2x = 10 x = 10/-2 x = -5 4x-4-5x = -6+90 +4x -5x = 84+4 -1x = 88 x = 88/-1 x = -88