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

The foreshadowing in this excerpt suggests that Steve’s radio will be used later in the narrative. the tension on the street will steadily increase. Myra is rea

how do you write the verbal expression 3 divided by the number x

Which title is capitalized correctly? The Battle Strategies Of World War II Journey to the Center of the Earth Symbolism And Imagery in Poetry The Ultimate Guid

Is the list 3,-5,-2.4,1 a whole number, interger or a rational number

The first patient on a Saturday afternoon is a mother of five children. Her medical history states that she is a diabetic patient on insulin therapy. She says t

As an adult, what is the best way to remain healthy? Eat a balanced diet and regular exercise Exercise at least 5 days a week. Take daily walks. Read more.

CD is perpendicular to AB and passes through point C5, 12). If the coordinates of A and Bare (-10,-3) and (7, 14), respectively, the x-intercept of CD is The p

The energy required to crack a material

Find the perimeter of a rectangle with a width of (2x+3) and a length of 2x

how many apples can fit into a 60^3 foot box