Friday

October 24, 2014

October 24, 2014

Posted by **Lisa** on Sunday, January 30, 2011 at 6:25pm.

7r-2s=61

2r+7s=25

- mat/116 -
**PsyDAG**, Monday, January 31, 2011 at 11:02amMultiply top equation by 7 and bottom one by 2, then add the two equations to find r. Substitute the value of r in one equation to find s. To check, put both values in the other equation.

**Answer this Question**

**Related Questions**

mat/116 - Will someone please help me slove this problem? Use the elimination ...

math/116 - solve x+y=7 x-y=5 using elimination method

Math 116 algebra - solve by the elimination method 3r - 7s = -28 7r + 3s = 70

math 116 - solve by the elimination method. 7r-3s=53 3r+7s=31 What is the ...

math elimination method - elimination method really confuses me. solve by ...

Algebra - Solving system of linear equations by using the apropiate method name ...

Math 116 algebra please check - Solve by the elimination method 3r-7s=-28 7r+3s=...

Math 116 algebra please check - Solve by elimination method 2x + 3y =1 4x + 6y =...

Algebra - Solve by elimination method. 7r-3s=14 3r+7s=64 Could never figure out ...

Algebra/Elimination method - Solve using the elimination method. If the system ...