$1.00 Solving Systems of Equations by Substitution
- This tutorial hasn't been purchased yet.
- Posted on Dec 10, 2008 at 9:36:44PM
A:
Preview: ... example.<br><br>Lets say you have 2X+3y=5<br><br>You also have 2X=Y<br><br>You want to take the "smaller" (or shorter) requation and solve it for one of the variables ...
The full tutorial is about 138 words long .
$0.75 Help, with good explanation
- This tutorial hasn't been purchased yet.
- Posted on Dec 10, 2008 at 10:37:27PM
A:
Preview: ... these 2 equations:<br>x=y-1<br>x+2y=8<br><br>x + 2y = 8 , substitute x's value from the 1st<br> e ...
The full tutorial is about 218 words long .