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) (Show Source): You can put this solution on YOUR website!
Here were the original equations:
(i)
(ii)
step 1 - solve (i) for x to get
(iii)
Step 2 - substitute (iii) into (ii) to get
(iv) 2Y - 5 + 2y = -1}}}
step 3 - solve for y
step 4 - find x.
from (iii),
(-3,1)
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