Ecuaciones Lineales

\[-8x = 2\]
\[x = \mathbf{?}\]

\[-2x = 5\]
\[x = \mathbf{?}\]

\[4x = 2\]
\[x = \mathbf{?}\]

\[-2 ( x - 8 ) = 6\]
\[x = \mathbf{?}\]

\[3 ( 4x - 9 ) = -171\]
\[x = \mathbf{?}\]

\[3 ( -12x + 3 ) = 45\]
\[x = \mathbf{?}\]

\[\frac{2}{85} ( \frac{5}{2}x + \frac{1}{2}) = \frac{-2}{5}\]
\[x = \mathbf{?}\]

\[\frac{-36}{137} ( \frac{5}{4}x - \frac{9}{5}) = \frac{2}{5}\]
\[x = \mathbf{?}\]

\[-1 ( -2x + 2) = 1\]
\[x = \mathbf{?}\]

\[\text{John has 11 more apples than Mary. Together they have 17 apples. How many apples does Mary have?}\]
\[\textit{(Write the mathematical equations that solve this problem and solve it.)}\]
\[\mathbf{?}\text{ apples.}\]

\[\text{Maria saves the same amount of money each week. After 7 weeks, she has saved 63 dollars. How much does she save per week?}\]
\[\textit{(Write the mathematical equations that solve this problem and solve it.)}\]
\[\mathbf{?}\text{ dollars.}\]

\[\text{A book has 32 pages. If Tom has already read 11 pages, how many pages are left to read?}\]
\[\textit{(Write the mathematical equations that solve this problem and solve it.)}\]
\[\mathbf{?}\text{ pages.}\]