Category ECOMATH

Ecomath Homework 1

  1. Please solve this problem using substitution method 2x + 3y = 21 and x + 4y = 23, and find the value of x and y!
  2. Please solve this problem using eliminationĀ  method 2x + 3y = 21 and x + 4y = 23, and find the value of x and y!

 

Please find some help from this link http://www.purplemath.com/modules/systlin4.htm and http://www.mathportal.org/algebra/solving-system-of-linear-equations/elimination-method.php

 

 

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