Resumen
Ejercicio 1
\[-2 ( x - 8 ) = 6\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
Ejercicio 2
\[3 ( 4x - 9 ) = -171\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
Ejercicio 3
\[\frac{-36}{137} ( \frac{5}{4}x - \frac{9}{5}) = \frac{2}{5}\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
Ejercicio 4
\[-1 ( -2x + 2) = 1\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
Ejercicio 5
\[\text{John has 11 more apples than Mary. Together they have 17 apples. How many apples does Mary have?}\]
\[\textit{(Write the mathematical equations that solve this problem and solve it.)}\]
\[\boxed{\phantom{\rule{2em}{1.2em}}}\text{ apples.}\]
\[\textit{(Write the mathematical equations that solve this problem and solve it.)}\]
\[\boxed{\phantom{\rule{2em}{1.2em}}}\text{ apples.}\]
Ejercicio 6
\[(3x + 3) = - ( -2x - 5 )\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
Ejercicio 7
\[-4 ( -3x + 1 ) = 5 ( -4x + 5 ) - 93\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
Ejercicio 8
\[-5 ( \frac{1}{2}x + \frac{3}{5} ) = 5 ( x + 2 ) - \frac{149}{8}\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
Ejercicio 9
\[(x - \frac{1}{4}) = - ( x + 3 ) + 7\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]