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macielferreira
@macielferreira
October 2020
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3(x-4)+2 (x+5)=4x.....1a linha
3x-12+2x+10=4x.......2a linha
5x-2=4x.....................3a linha
5x-2-4x=4x-4x...........4a linha
x-2=0
x =2
oq eu Quero saber é da onde veio o 4x -4x da 4 linha.
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macielferreira
October 2020 | 0 Respostas
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macielferreira
October 2020 | 0 Respostas
Resolva pra mim. x + (x +10) + 2 (x + 10)=150
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