Resumen
Ejercicio 1
\[3x = -11\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
Ejercicio 2
\[-10x = 1\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
Ejercicio 3
\[12x = -5\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
Ejercicio 4
\[-5 ( 9x - 7 ) = 530\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
Ejercicio 5
\[-3 ( -3x - 8 ) = 6\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
Ejercicio 6
\[\text{Maria saves the same amount of money each week. After 4 weeks, she has saved 40 dollars. How much does she save per week?}\]
\[\textit{(Write the mathematical equations that solve this problem and solve it.)}\]
\[\boxed{\phantom{\rule{2em}{1.2em}}}\text{ dollars.}\]
\[\textit{(Write the mathematical equations that solve this problem and solve it.)}\]
\[\boxed{\phantom{\rule{2em}{1.2em}}}\text{ dollars.}\]
Ejercicio 7
\[4 ( 3x - 1 ) = -2 ( -2x - 3 ) + 14\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
Ejercicio 8
\[-3 ( 3x + 5 ) = 3 ( -x - 1 ) + 6\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
Ejercicio 9
\[(x + 1) = ( x + \frac{1}{4} ) + \frac{19}{4}\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}\]