Question

z - (2z + 1) = 8 - (3z + 3)
cual es el valor de z

Answer 1

$\bold{z - (2z + 1) = 8 - (3z + 3)} \\ \\ \bold{z - 2z - 1 = 8 - 3z - 3} \\ \\ \bold{ - z - 1 = 5 - 3z} \\ \\ \bold{ - z + 3z = 5 + 1} \\ \\ \bold{2z = 6} \\ \\ \bold{z = \frac{6}{2} } \\ \\ \boxed{\bold\orange{z = 3}}$