Question

2x-[1-(x-2)]=3




qual resultado??

Answer 1

Resposta:

x = 2

Explicação passo-a-passo:

$\\\\\\\\ 2x -[1 - x + 2] = 3\\\\2x -[-x + 3] = 3\\\\2x + x - 3 = 3\\\\3x - 3 = 3\\\\3x = 6\\\\\frac{3x}{3} = \frac{6}{3} \\\\x = \frac{2 . 3}{3} x = 2$