Question

Calcular x na igualdade

Answer 1

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$\begin{vmatrix}\sf{x+3}&\sf{2x-1}\\\sf{3}&\sf{2}\end{vmatrix}=\sf 0$

$\sf{2x+6-6x+3=0}\\\sf{-4x+9=0}\\\sf{4x=9}\\\huge\boxed{\boxed{\boxed{\boxed{\sf{x=\dfrac{9}{4}\checkmark}}}}}$