# 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.

## 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