Posted by **Taylor** on Tuesday, January 15, 2013 at 7:32am.

solve with substitution:

4x+y=2

3y+2x=-1

- math -
**John**, Tuesday, January 15, 2013 at 8:05am
y = 2-4x

Substituting,

3(2-4x) + 2x = -1

6-12x + 2x = -1

-10x = -1-5

-10x = -6

x = 6/10 or 3/5

- math -
**John**, Tuesday, January 15, 2013 at 8:06am
error.. that's supposed to be

-10x = -1-6

-10x = -7

x = 7/10

im so sorry..

## Answer This Question

## Related Questions

- algebra - i need help with these problems (either a solution or how to plug them...
- math - solve each system of equations by substitution. y=3x-9 please help ...
- Substitution Method-Plz help - Use the Substitution method to solve the system ...
- Math Homework - Hello! I need help with these math questions, thanks! :) 1.) ...
- substitution method - Solve by substitution method please help me solve this. I ...
- math - Solve systems by substitution 5x - 2y = -5 y - 5x = 3 Substitute 5x + 3 ...
- math/ elimination& substitution - how do i solve this? using elimination or ...
- math substitution method - use the substitution method to solve 7x+5y=-26 x=28-...
- Linear Equations - Can you please help solve this equation using the ...
- Math - how do you solve this system? I'm using substitution.. y=3x+4 y=-x^2 ...

More Related Questions