Question

$e \frac{x}{3} - \frac{x + 1}{2} < \frac{1 - x}{4}$
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Answer 1

Explicação passo-a-passo:

${x\over3}-{x+1\over2}<{1-x\over4}\\ \\ mmc(3,2,4)=12\\ \\ 4x-6(x+1)<3(1-x)\\ \\ 4x-6x-6<3-3x\\ \\ 4x-6x+3x<3+6\\ \\ 7x-6x<9\\ \\ x<9\\ \\ S=\{x\in R/x<9\}$