Wednesday

July 23, 2014

July 23, 2014

Posted by **June** on Wednesday, November 17, 2010 at 9:01pm.

Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this.

-3x – 5y = 61

7x – 5y = -9

- Algebra -
**Jen**, Wednesday, November 17, 2010 at 10:03pm-3x-5y=61 (1)

7x-5y=-9 (2)

Looking at the equations, we can multiply either of them by -1 to cancel the y's. Let's do that to the 2nd one.

-3x-5y=61

-7x+5y=9

Then add the equations together.

-10x=70

x=-7

Plug that back into either original equation to solve for y.

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