Resumen
Ejercicio 1
\[\frac{-1}{4} ( -x + 2) = \frac{5}{4}\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
Ejercicio 2
\[\text{Sarah bought 2 identical books for 16 dollars. How much did each book cost?}\]
\[\textit{(Write the mathematical equations that solve this problem and solve it.)}\]
\[\boxed{\phantom{\rule{2em}{1.2em}}}\text{ dollars.}\]
\[\textit{(Write the mathematical equations that solve this problem and solve it.)}\]
\[\boxed{\phantom{\rule{2em}{1.2em}}}\text{ dollars.}\]
Ejercicio 3
\[\text{Emma shared 10 candies equally among 2 friends. How many candies did each friend receive?}\]
\[\textit{(Write the mathematical equations that solve this problem and solve it.)}\]
\[\boxed{\phantom{\rule{2em}{1.2em}}}\text{ candies.}\]
\[\textit{(Write the mathematical equations that solve this problem and solve it.)}\]
\[\boxed{\phantom{\rule{2em}{1.2em}}}\text{ candies.}\]
Ejercicio 4
\[- (2x - 4) = ( 3x - 16 )\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
Ejercicio 5
\[(-x - 4) = ( -3x - 10 )\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
Ejercicio 6
\[3 ( 3x + 2 ) = 5 ( x - 3 ) + 5\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
Ejercicio 7
\[2 ( \frac{5}{4}x - 5 ) = \frac{-4}{5} ( 2x - 1 ) - \frac{149}{10}\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
Ejercicio 8
\[- (\frac{1}{2}x + 1) = ( 6x - \frac{1}{2} ) - \frac{43}{8}\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
Ejercicio 9
\[- (x - 1) = - ( x + 1 ) + \frac{11}{4}\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]