Thursday

July 31, 2014

July 31, 2014

Posted by **tasha** on Wednesday, July 18, 2012 at 2:58pm.

2x+y=3

3x-2y=1

- math -
**Steve**, Wednesday, July 18, 2012 at 4:30pmmanipulate the equations so that all elements below the main diagonal are zero.

So, subtract row 1 from 2/3 of row 2:

2x + y = 3

2x - 4/3 y = 2/3

2x + y = 1

-7/3 y = -7/3

y = 1

now plug that into row 1 to get x = 1

**Related Questions**

math - Solve using elimation method. -x + 4y = 0.5 -3x – 6y = 10.5

Math - How would I determine if a set of numbers if Gaussian or non Gaussian?

Algebra - Solve the system by either elimation or substitution: x+8y=18 y=-2/7x-...

gaussian elimination - 4. Solve the following linear system using Gaussian ...

algebra - 2x+8y-8z-22 x+2y-2z=3 5x+7y+z=-13 solve by gaussian elimination

quantitative techniques - solve this using gaussian elimination x+5y=7 -x-7y=-5

algebra - Express the system as an augmented matrix and solve using Gaussian ...

math (Gaussian n! formula) - I'm trying to figure out the generalized form of ...

algebra - Please help with: Express the system as an augmented matrix and solve ...

algebra1 - how do you slove x+3y=-30 9x-12y=3 with substitution and elimation