SOLUTION: I have a mixture system x+y=4 2x+7y=30(9) I want to sovle it by substitution. If I divide X in problem 2 by 2, would I divide 30 and 9 by 2? Or would I just divide 9 by 2?

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: I have a mixture system x+y=4 2x+7y=30(9) I want to sovle it by substitution. If I divide X in problem 2 by 2, would I divide 30 and 9 by 2? Or would I just divide 9 by 2?       Log On


   

Question 670873: I have a mixture system
x+y=4
2x+7y=30(9)
I want to sovle it by substitution. If I divide X in problem 2 by 2, would I divide 30 and 9 by 2?
Or would I just divide 9 by 2?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
x+y=4
2x+7y=30(9)
-------------
Is that 30*9?
= 270?