lukerothbacher lukerothbacher
  • 02-02-2019
  • Mathematics
contestada

3x + 4y = 5
X- 3y = -7


Solve by substitution

Respuesta :

meredith48034
meredith48034 meredith48034
  • 02-02-2019
x = 3y - 7
3x + 4y = 5

3(3y - 7) + 4y = 5
9y - 21 + 4y = 5

13y - 21 = 5

13y = 26

y = 2

x - 3(2)= -7

x - 6 = -7

x = -1

(-1, 2)
Answer Link

Otras preguntas

The probability that the first color is violet and the second is orange, if the first is replaced is?
how can you effectively incorporate electronic and social media to reach a wider audience
Select the correct answer! Which point is the vertex of the graph defined by f(x) = 6|x − 2| − 5? A. (6, 5) B. (2, -5) C. (0, 0) D. (6, -2)
(w-w^2)^4=?.......................​
Which time is an example of a secondary source
(True or False) Taking a group fitness class or cycling with others motivates many individuals to continue exercising. I'm leaning on a definite True but didn'
Point P (1, 7) is located on circle C. The center of circle C is (-2, 3). What is the radius of the circle?
Extraordinary people: Tim Berners-Lee​
Please answer this question, will give brainliest!
PLEASE HELP QUICK I AM OFFERING 15PTS (More than it's worth) AND BRAINLIEST ANSWER PLEASE ANSWER AND EXPLAIN