Question

como resolver a equação : 6(x + 4)/7 -1/2 = x

Answer 1

$\frac{6\cdot(x + 4)}{7} -\frac{1}{2}= x\\ \\\frac{6x + 24}{7} -\frac{1}{2}= x\\ \\\frac{2\cdot(6x + 24)}{14} -\frac{7}{14}=\frac{14x}{14}\\ \\2\cdot(6x + 24) -7=14x\\ \\12x + 48 -7=14x\\ \\12x -14x=-48+7\\ \\-2x=-41\\ \\x= \frac{-41}{-2}\\ \\x= \frac{41}{2}\\ \\S= \Big\{\frac{41}{2}\Big\}$

Answer 2

Resposta:

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