Homework Help: College Algebra

Posted by radical10 on Saturday, November 13, 2010 at 12:27pm.

Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this.
-7x – y = -30
4x + y = 21

College Algebra - Jen, Saturday, November 13, 2010 at 1:50pm
Try this one using the steps in the problem I did for you as a guide.
College Algebra - hog tied, Sunday, November 14, 2010 at 1:15pm
Okay here is what I have

-14x - y = 60
4x + y = 14

-28x + y = -46

Now I am not sure what to do I am kinda lost being 2 goes into both with
-14 and 23 can you give me some help please.
College Algebra - tee, Tuesday, March 22, 2011 at 11:01pm
x=2 is a solution to 4x-2=3(x-4). Show your steps

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