garagajo3 garagajo3

14-11-2014
Mathematics

contestada

15x—3y=12
Y=5x—4

4x—y=-4
-8x+2y=2

Respuesta :

15-11-2014

15x-3y=12
y=5x—4
I'm also not sure what your question is, but this is what I got by solving it like a regular equation.

15x-3(5x-4)=12
15x-15x+12=12
0=12-12
0=0

4x-y=-4
-8x+2y=2

-y=-4-4x /: (-1)
y=4+4x

-8x+2y=2
-8x+2(4+4x)=2
-8x+8+8x=2
0=-6

Answer Link

Otras preguntas

what is the value of x to the nearest tenth?

what is the main idea of this passage

Which logarithmic equation equal to 8^2=64

The sum of two polynomials is –yz2 – 3z2 – 4y + 4. If one of the polynomials is y – 4yz2 – 3, what is the other polynomial? –2yz2 – 4y + 7–2yz2 – 3y + 1–5yz2 +

whats the definition for insensitive ?

If a potential source presents any kind of bias, it should automatically be ruled out. a. True b. False

A rowboat crosses a river with a velocity of 3.53 mi/h at an angle 62.5° north of west relative to the water. the river is 0.900 mi wide and carries an eastward

A 16-ounce package of frozen vegetables costs $2.10. How much would you expect a 12-ounce package to cost?

PLEASE HELP!!What is the sum of the last four terms of the series 97 + 99 + 101 +. . . + 121A. 400B. 472C. 418

What is revealed about Steve's, Tommy's, Alan's, and Darren's relationship?