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