SOLUTION: 2. x=y-1 y=4-2x 4.y=2x-5 3y-x=5 6.x=-2y x=2-4y *can you please use SUBSTITUTION for all of them thanks for you help!!!!!!!!!!!

Algebra ->  Customizable Word Problem Solvers  -> Evaluation -> SOLUTION: 2. x=y-1 y=4-2x 4.y=2x-5 3y-x=5 6.x=-2y x=2-4y *can you please use SUBSTITUTION for all of them thanks for you help!!!!!!!!!!!      Log On

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Question 380376: 2. x=y-1
y=4-2x
4.y=2x-5
3y-x=5
6.x=-2y
x=2-4y
*can you please use SUBSTITUTION for all of them thanks for you help!!!!!!!!!!!
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
2. x=y-1
y=4-2x
----------
Sub for x in the 2nd eqn
y = 4 - 2(*y-1)
y = 4 - 2y + 2
y = 6 - 2y
3y = 6
y = 2
-------
x = y-1
x = 1
-------
Do the others the same way.