Friday

August 22, 2014

August 22, 2014

Posted by **Katy** on Sunday, March 25, 2012 at 7:13pm.

y=-2+7x

10x-7y=209

- Algebra -
**Steve**, Monday, March 26, 2012 at 10:14amso, make the substitution:

10x - 7(-2+7x) = 209

10x + 14 - 49x = 209

-39x = 195

x = -5

y=-2+7(-5) = -37

**Related Questions**

algebra - i need help with these problems (either a solution or how to plug them...

algebra - use method of substitution to solve the system of linear equations. 2x...

college Algebra - solve by the substitution method. 8x+3y=-40 x=48-7y THE ANSWER...

Algebra - Can someone please help solve this? Solve by using addition or ...

Algebra - I just wanted to verify the answer I came up with. Solve by the ...

Algebra - Checking a few answers to some algebra problems: 1.Find the slope of ...

math - 1. Solve for the indicated letter D=4e, for e The solution is e= 2. G(x...

Math/Algebra - Solve the following system of equations. x+7y=8 (1) x=2-7y (2) ...

Algebra - Solve by substitution method. 6x+9y=-12 -5x+y=27 What is the solution ...

Algebra: Check please - 1. Find the distance between the pair of points. Round ...