SOLUTION: I need to use the substitution method, here is the problem: x=3y-1 x+2y=9
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Question 397558
:
I need to use the substitution method, here is the problem:
x=3y-1
x+2y=9
Found 2 solutions by
Alan3354, solver91311
:
Answer by
Alan3354(69443)
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):
You can
put this solution on YOUR website!
x=3y-1
x+2y=9
---------
Sub for x in the 2nd eqn
(3y-1) + 2y = 9
Can you go from there?
Answer by
solver91311(24713)
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Show Source
):
You can
put this solution on YOUR website!
Substitution, just like it says:
In place of the x, substitute 3y - 1:
Just solve for y. Once you know the value of y, you can substitute that value back into either original equation.
John
My calculator said it, I believe it, that settles it