Question 1150315
For each systems of equations below, choose the best method for solving and solve.
   y=-x-6     

 x+3y = -18
<pre>y = - x - 6 ------- eq (i)
x + 3y = - 18 ----- eq (ii)
The OBVIOUS EASIEST and therefore BEST method is <b><u>SUBSTITUTION</b></u>, so IGNORE what the other person stated.
1)  SUBSTITUTE - x - 6 for y in eq (ii). You'll then find the value of x.
2)  Substitute the value of x into eq (i) to get the value of y.
That's IT!! Does it get any EASIER?