Ejercicio 1
\[-7x = -8\]
\[x = \mathbf{?}\]
\[x = \mathbf{?}\]
Ejercicio 2
\[-1 ( -4x - 12 ) = 20\]
\[x = \mathbf{?}\]
\[x = \mathbf{?}\]
Ejercicio 3
\[\frac{-1}{8} ( x + 5) = \frac{-1}{2}\]
\[x = \mathbf{?}\]
\[x = \mathbf{?}\]
Ejercicio 4
\[\text{Sarah bought 8 identical books for 88 dollars. How much did each book cost?}\]
\[\textit{(Write the mathematical equations that solve this problem and solve it.)}\]
\[\mathbf{?}\text{ dollars.}\]
\[\textit{(Write the mathematical equations that solve this problem and solve it.)}\]
\[\mathbf{?}\text{ dollars.}\]
Ejercicio 5
\[\text{Maria saves the same amount of money each week. After 8 weeks, she has saved 56 dollars. How much does she save per week?}\]
\[\textit{(Write the mathematical equations that solve this problem and solve it.)}\]
\[\mathbf{?}\text{ dollars.}\]
\[\textit{(Write the mathematical equations that solve this problem and solve it.)}\]
\[\mathbf{?}\text{ dollars.}\]
Ejercicio 6
\[\frac{2}{3} ( \frac{-1}{2}x - 2 ) = \frac{1}{2} ( x - \frac{1}{2} ) - \frac{7}{3}\]
\[x = \mathbf{?}\]
\[x = \mathbf{?}\]
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