Resuelve por el método de suma y resta, por el método de sustitución y por el método de igualación (realiza el procedimiento de cada método) el siguiente
problema:
La suma de dos números es igual a 17 y su diferencia es igual a 1.
x + y = 17
x – y = 1

POR FAVOR AYUDA ES PARA HOY A MAS TARDAR LAS 5:00 p. m.

Adifferent website gives the cost for the first train as £56.88 and the second train as £20.11 with a £9.50 charge for cycle storage for the whole trip. how much would the journey cost you?

The volume, v, of a rectangular prism is determined using the formula, where / is the length, w is the width, and his theheight of the prism. carltren solves for w and writes the equivalent equation w=using this formula, what is the width of a rectangular prism that has a volume of 138.24 cubic inches, a height of 9.6 inches,and a length of 3.2 inches?

Vertical angles must check all that apply