SOLUTION: Solve the following by substitution 2x-y=10 x=-2y

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Question 178718: Solve the following by substitution
2x-y=10
x=-2y

Answer by jojo14344(1513)   (Show Source): You can put this solution on YOUR website!

, EQN 1
, EQN 2
Subst. EQN 2 in EQN 1:


--------->
, subst. in EQn 2:

Check via EQN 1:



Thank you,
Jojo

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