thefaria thefaria

14-07-2017
Mathematics

contestada

Find the solution of this system of equations.
Separate the x- and y-values with a comma.
x= -8 + y
-9x + 6y= 9

Respuesta :

choixongdong choixongdong

14-07-2017

x= -8 + y
-9x + 6y= 9

substitute x= -8 + y into -9x + 6y= 9

-9x + 6y= 9
-9(-8 + y) + 6y= 9
72 - 9y + 6y = 9
-3y = -63
y = 21

x= -8 + y
x= -8 + 21
x = 13

solution (13, 21)

Answer Link

Otras preguntas

what motivated the powers of europe to cover up the spanish flu's existence

which of the following descriptions represents the transformation shown in the image?

According to this author, which factors influenced the outcome of the conflict?

The total area of the parallelogram and the triangle is 160 square meters find the value x

What is the value of xº?

If i= sqaure root of -1, what is the value of i^3?

Which pairs of numbers represent a number and its reciprocal? Check all that apply. 1 and 1 and and 5 6 and and

How did the Robber Baron's and the industry they created reflect the image of the Gilded age?

What are the values for the coefficients and constant term of 0 = 2 + 3x2 – 5x?

A telephone costs $0.05 per minute with a fixed fee of $2. Another costs $0.10 per minute with a fixed fee of $1.50. How many minutes would you have to call for