SOLUTION: So, the problem is:
2x + y = 1
-x + 2y = 7
&it says to solve the system, but I don't remember how! &the two problems are on top of each other
Algebra.Com
Question 482385: So, the problem is:
2x + y = 1
-x + 2y = 7
&it says to solve the system, but I don't remember how! &the two problems are on top of each other
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
There's more than one way to do it.
2x + y = 1
-x + 2y = 7
--------------
2x + y = 1
-2x + 4y = 14 2nd eqn times 2
-------------- Add
5y = 15
y = 3
------
2x + 3 = 1
x = -1
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