SOLUTION: x-2y=-5 x+2y=-1 Use substitution to solve each system of equations.

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Question 254456: x-2y=-5
x+2y=-1

Use substitution to solve each system of equations.
Answer by drk(1908) About Me  (Show Source):
You can put this solution on YOUR website!
Here were the original equations:
(i) x+-+2y+=+-5
(ii) x+%2B+2y+=+-1
step 1 - solve (i) for x to get
(iii) x+=+2y+-+5
Step 2 - substitute (iii) into (ii) to get
(iv) 2Y - 5 + 2y = -1}}}
step 3 - solve for y
4Y+-+5+=+-1
4Y+=+4
y+=+1
step 4 - find x.
from (iii), x=-3
(-3,1)