Sunday

September 21, 2014

September 21, 2014

Posted by **ashley** on Friday, November 5, 2010 at 9:17pm.

x + 4y = –16

3x + 2y = 12

- math -
**Jen**, Saturday, November 6, 2010 at 11:43amx+4y=-16 (1)

3x+2y=12 (2)

Multiply (1) by -3 to get the x's to cancel

-3x-12y=48 (3)

3x+2y=12 (2)

Now add (3) and (2) together.

-10y=60

Divide by -10.

y=-6

Substitude y=-6 into equation (1) or (2) to solve for x.

**Answer this Question**

**Related Questions**

Algebra II - Explain, in complete sentences, which method you would use to solve...

algebra2 - Using complete sentences, explain which method you would use to solve...

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

Algebra 2 - I need help with this problem because I do not have a graphing ...

Math Help PLEASE - Solve the system of equations by graphing then classify the ...

Math - Use the substitution method to solve the following system of linear ...

Algebra 1 (Math) for Steve or Reiny - 1) Which method would be the simplest way ...

Plz Check my math.. - 1) Which method would be the simplest way to solve the ...

math - Solve the system of equations by graphing. Then Classify the system? 4u+v...

math - Solve the system of equations by graphing. Then classify the system? y= -...