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4x-2x+3(x+1)=4(x-1)+2-3

me ajudeeem! Pfv!!​


Resposta :

4x-2x+3(x+1) = 4(x-1)+2-3

4x-2x+3x+3 = 4x-4+2+3

4x-2x+3x-4x = -3-4+2+3

x = -2

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