Saturday

April 19, 2014

April 19, 2014

Posted by **brittney** on Tuesday, August 24, 2010 at 5:58pm.

4y = x - 13

2x + 16y = 20

- algebra -
**Henry**, Tuesday, August 24, 2010 at 6:19pmWrite 1st Eq in STD form:

x - 4y = 13

2x + 16y = 20

Multiply 1st Eq by -2:

-2x + 8y = -26

2x + 16y = 20

Add the 2 Eq:

24y = -6

y = -1/4

Substitute -1/4 for y in the 1st Eq

and solve for x:

x - 4(-1/4) 13

x = 12.

(12 , -1/4).

- algebra -
**k-dog**, Wednesday, May 9, 2012 at 6:02pm3x + 4y = -12

6x + 8y =-16

**Related Questions**

algebra - Select the ordered pair from the choices below that is a solution to ...

Intermediate Algebra - Solve the following system of equations. x+4y=5 x=6-4y ...

math - Solve the following system of equations x + 4y=6 x= 4-4y A. The solution ...

math - what does it mean for an ordered pair to be a soltuin of both equations? ...

Algerbra - Q1. Solve the system of equationd by addition method. -2x+y=6 -3x-4y=...

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

Math - Solve the following system of equations. x + 4y= 8 (1) x=5-4y (2) What is...

math - Solve the following system using elimination. If a single solution exists...

alegebra - Solve the system of equations by graphing. Then classift the system ...

Math - Solve the system of equations using the matrix tool and enter the ...