Question

Calculati:

$|\frac{3x+1}{2}| =7$

Answer 1

$| \frac{3x + 1}{2} | = 7$

$\frac{ |3x + 1| }{ |2| } = 7$

$\frac{ |3x + 1| }{2} = 7$

$|3x + 1| = 14$

$3x + 1 = 14$

3x+1=-14

$x1 = - 5 \: si \: x2 = \frac{13}{3}$