Friday

April 18, 2014

April 18, 2014

Posted by **Jessica** on Monday, February 14, 2011 at 10:34pm.

7x-y=17

x+7y=31

What is the solution of the system?

- Math -
**Reiny**, Monday, February 14, 2011 at 11:46pmmultiply the fist equation by 7

49x - 7y = 119

add the second

x + 7y = 31

50x = 150

x = 3

sub that into the second equation ....

you finish it, let me know what you got.

**Related Questions**

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

intermediate algebra - Solve using the elimination method. Show your work. If ...

intermediate algebra - Solve using the elimination method. Show all work. If the...

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

College Algebra - Solve the system of equations. Then classify the system. 7x-7y...

math - solve the elimination method for 3x+7y=-32 7x+3y=-8

Algebra - Solve using the elimination method.Show work.If the system has no ...

Math - solve by the elimination method. what is the solution of the system? type...

Math - Solve using the elimination method. Show your work. If the system has no ...

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