Friday

March 6, 2015

March 6, 2015

Posted by **Debbie** on Friday, January 13, 2012 at 1:47pm.

2x+3y=40.50

3x+y=38.00

- Algebra 1 -
**Anonymous**, Friday, January 13, 2012 at 2:22pmUse the process of elimation and elimate the x varible. This gives you the y variable. Then you substitue this answer for the x varible. If you need any help with the process of elimantion, I could asist you more.

- Algebra 1 -
**Steve**, Friday, January 13, 2012 at 2:46pmHowever, using substitution,

pick either equation and solve for a variable:

3x+y = 38.0

so,

y = 38-3x

Now substitute that value into the other equation:

2x+3y=40.50

2x + 3(38-3x) = 40.5

2x + 114 - 9x = 40.5

-7x = -73.5

x = 10.5

y = 38-3x = 6.5

**Answer this Question**

**Related Questions**

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

Substitution Method-Plz help - Use the Substitution method to solve the system ...

math - solve each system of equations by substitution. y=3x-9 please help ...

Algebra 1 - bobpursey, In this problem you helped me with earlier: Solve using ...

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

substitution method - Solve by substitution method please help me solve this. I ...

algebra 1 - Solve the Foll by substitution x=1/5y 3x+2y=26 So, substitute 1/5y ...

Algebra - Solve: 3x-2y=10 2x+3y=-2 Graph: Substitution: Elimination: Show Your ...

Algebra - 8s+ 12 = 16, 6s+ 9t = 12 solve by substitution

algebra 2 - 4p + 2q = 8 and q = 2p +1 solve by substitution