rakinuddin78
rakinuddin78
24-11-2016
Mathematics
contestada
4x+3y=19
3x-5y=7
?????????
Respuesta :
rosesj3172
rosesj3172
24-11-2016
4x+3y=19
3x-5y=7
(3)4x+3y=19
(-4)3x-5y=7
12x+9y=57
-12x+20y=-28
----------------------
29y=29
------------
y=1
4x+3(1)=19
4x+3=19
-3 -3
--------------
4x=16
--------
x=4
Answer Link
VER TODAS LAS RESPUESTAS ( 13+ )
Otras preguntas
Which step is usually NOT performed when finding a pulse? A. using the carotid arteries on either side of the neck B. counting the number of heartbeats for si
I need help with this one please
Which of the following statements about organization missions is FALSE?1. They define a company's reason for existence2. They are formulated after strategies ar
16. Simplify –3√ 2 + 3√ 8 A. 3√ 2 B. 0 C. 9√ 2 D. –3√ 2
12x^2+20=50 what is x
one reason you should use transitions in writing is to:
In a certain room. There are 28 women and 21 men. What is the proportion of women in relation to the total number of people?
Franklin Roosevelt won the election because he had some success in New York. What did he do? a. He set up an unemployment commission and relief administration.
At Camper’s Paradise, sales have increased 15%, 20%, and 10% over the past three years; that is, 15% three years ago, 20% two years ago, and 10% one year ago.
The key elements that will affect the climate assessment process includes?
