Sistemas lineales 2x2 --- Introducción ---

Este módulo contiene en este momento 3 ejercicios de sistemas lineales con 2 variables y dos ecuaciones elementales. Estos sistemas siempre tendrán solución entera única. Incluye varios problemas de aplicación.

System 2x2

Solve the following system of equations for x and y.

	=
	=

Rectangle

We have a rectangle whose perimeter is mm. Given that the length is mm longer than the width, find out the length and the width (in mm).

Restaurant

persons go to restaurant for dinner.

The menu costs dollars for each child, and dollars for each adult. The total cost for the dinner goes to dollars.

Among these persons, how many children and how many adults are there?

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