SOLUTION: solve by substitution method 15x-20y=-1
15y=2+5x
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Question 884364: solve by substitution method 15x-20y=-1
15y=2+5x
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
1.
2.
From eq. 2,
Substitute into eq. 1,
Then,
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