Math 10

posted by .

solve this linear system
2/3m + 3/4n = 16
-1/2m + 3/8n = 18

  • Math 10 -

    clearing fractions, you have

    8m + 9n = 192
    -4m + 3n = 144

    add twice the bottom equation to the top one to get

    15n = 480
    n = 32

    Now getting m is easy.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Math

    use linear combinations to solve the system of linear equations. 2x+y=4 x-y=2
  2. maths

    use the substitution method to solve the linear system. 1. 3x=9 -x+2y=9 3x/3 = 9/3 x = 3 -x(3)+2y = 9 -3+2y = 9 2y = 12 y = 6 is (3,6) correct?
  3. Math - Solving Linear systems

    Solve the linear system in two space [x,y] = [-12,-7] + s[8,-5] [x,y] = [2,-1] + t[3,-2]
  4. Math

    Use linear combinations to solve the system of linear equations. 5x=4y-30 2x+3y+-12
  5. math

    PLEASE!!!!i need help on these 4: *4y=15-3x 2y=3x+21 *4x=5y-14 y=-6x-9 *5x=4y-30 2x=3y=-12 *2/3y=10+4x 5x=1/3y-8 use linear combinations to solve the system of linear equations thank you!!!
  6. math

    PLEASE!!!!i need help on these 4: *4y=15-3x 2y=3x+21 *4x=5y-14 y=-6x-9 *5x=4y-30 2x=3y=-12 *2/3y=10+4x 5x=1/3y-8 use linear combinations to solve the system of linear equations thank you!!!
  7. math

    i only need help on these two: *2/3y=10+4x 5x=1/3y-8 *5x=4y-30 2x+3y=-12 DIRECTIONS:use linear combinations to solve the system of linear equations.. thanks :)
  8. math

    Create a linear system to model this situation. Then use substitution to solve the linear system to solve the problem. - Bobbie has been saving dimes & quarters to buy a new toy. She has a total of 28 dimes and quarters, with a value …
  9. math

    Solve the linear system graphically (Dont graph it just solve it) x+ 2y = 8 3x+ 4y = 20
  10. algebra-math

    Create a system of linear equations. Explain the steps for solving a system of linear inequalities. Make a system of linear inequalities problem. Please help me with this?

More Similar Questions