algebra

posted by .

how do i solve this equation by using substitution?

2x+y=4
3x+2y=1

please help. thanks

  • algebra -

    from the first equation, solve for y.

    Then, put that value for y into the second equation, and solve for x.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Substitution Method-Plz help

    Use the Substitution method to solve the system of equations. x + y = -4 x - y = 2 solve for x in the second equation. x= y+2 Put that in for x in the first equation: x+y=-4 (y+2) + y = -4 solve for y. Then, x= y+2 i don't get it.How …
  2. Algebra

    Solve the system of equations using substitution. x + 4y = -5 3x - 8y = 45 When I tried to solve it, I got x=-17 and y=-3. When I plugged these into the first equation, it didn't work out at all. Could someone please show me the steps …
  3. math

    solve each system of equations by substitution. y=3x-9 please help explain how to solve this using substitution.
  4. Linear Equations

    Can you please help solve this equation using the substitution method?
  5. Algebra 1

    Using substitution, solve this equation.. 3x - 5y = 11 x - 3y = 1
  6. algebra

    Hey, I don't undertand how to solve this equation using substitution. 3y = -1/2x + 2 y= x + 9
  7. College Algebra help!!!

    I have to solve each equation using a u substitution and need help understanding how to do this. The first equation is: 1. x^2/3-2x^1/3-15=0 2. x+4=7 Squareroot x+4
  8. algebra

    I have to solve this equation using substitution. 3x+5y=10 2x+ 1/2y=24 This is all one problem
  9. Algebra help!

    Please help and I would appreciate an explanation as to how you got to the answer. 1.) Solve the system by triangularizing the augmented matrix and using back substitution. 0.09x-0.15y+0.39 -0.18x+0.35y=-0.88 2.) Solve the system by …
  10. Algebra 1

    What is an equation of a line perpendicular to the line with equation y = 1 - 3x a.y=-3x + 5 b. y=3x + 5 c.y=-1/3x + 5 d. y=1/3x + 5 To solve the linear system below, which substitution of unkowns is proper ?

More Similar Questions