Question

Qual o conjunto solução da equação modular /2x - 3 / = 7 ?

Answer 1

$\Large\boxed{\begin{array}{l}\sf|2x-3|=7\\\sf 2x-3=7\\\sf 2x=3+7\\\sf 2x=10\\\sf x=\dfrac{10}{2}\\\\\sf x=5\\\sf 2x-3=-7\\\sf 2x=3-7\\\sf 2x=-4\\\sf x=-\dfrac{4}{2}\\\sf x=-2\end{array}}$