Friday

August 22, 2014

August 22, 2014

Posted by **Alicia** on Thursday, February 14, 2013 at 10:20pm.

- algebra -
**Reiny**, Friday, February 15, 2013 at 12:22amI have a feeling you meant:

11x + 3y = 12 (the + and = are the same key)

for 3x = 9 ---> x = 3

then ...

11(3) + 3y = 12

3y = 12-33

3y = -21

y = -7

x = 3 , y = -7

**Related Questions**

algebra - solve using the subsitution method 4x+4y=36 4x+4y=12 If the system has...

7th grade math - How would you solve the problem below using the subsitution ...

math - solve by using subsitution: 4x+y=2 3y+2x=-1

math - solve by using subsitution: 4x+y=2 3y+2x=-1

math - solve by using subsitution: 4x+y=2 3y+2x=-1

math - solve by using subsitution: 4x+y=2 3y+2x=-1

math - solve by using subsitution: 4x+y=2 3y+2x=-1

Algebra 1b! - 1. Find the excluded value of x for the polynomomial expression ...

math - -w-z=-2 and 4w+5z=16 im trying to solve this equation by using ...

Algebra 1 - Solve 11x-7<-40 using the addition and multiplication principle. ...