Ejercicio 1
\[\text{Sarah bought 2 identical books for 16 dollars. How much did each book cost?}\]
\[\textit{(Write the mathematical equations that solve this problem and solve it.)}\]
\[\mathbf{?}\text{ dollars.}\]
Ejercicio 2
\[- (2x - 4) = ( 3x - 16 )\]
\[x = \mathbf{?}\]
Ejercicio 3
\[3 ( 3x + 2 ) = 5 ( x - 3 ) + 5\]
\[x = \mathbf{?}\]
Ejercicio 4
\[2 ( \frac{5}{4}x - 5 ) = \frac{-4}{5} ( 2x - 1 ) - \frac{149}{10}\]
\[x = \mathbf{?}\]
Ejercicio 5
\[- (\frac{1}{2}x + 1) = ( 6x - \frac{1}{2} ) - \frac{43}{8}\]
\[x = \mathbf{?}\]
Ejercicio 6
\[- (x - 1) = - ( x + 1 ) + \frac{11}{4}\]
\[x = \mathbf{?}\]

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