Wednesday

April 1, 2015

April 1, 2015

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...

algebra - Requesting help. (I must reckon, that X is a variable, and y is y-...

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

algebra - Solve the system of linear equations by graphing 3x+y=0 2x-y=5 Graph ...

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

Math - Could someone please help me with this. I am confused. Math is a weak ...

Algebra 1 (Reiny or Kuai) - 1. The school band sells carnations on Valentine's ...