matokiwasssup matokiwasssup

13-03-2018
Mathematics

contestada

x+y= -9
x+2y= -25

According to the system of equations above, what is the value of y?

Respuesta :

evgeniylevi evgeniylevi

13-03-2018

Try this option:
if x+y=-9 is I (one)
and x+2y=-25 is II (two), then
if II-I, then (x+2y)-(x+y)=-25+9 ⇔ y=-16.

Answer Link

Otras preguntas

1. How does the friction affect forward motion? Give an example. 2. Describe two ways to change the frictional force between two solids surfaces. Change t

Graph the line using intercepts: 4x-3y=12

A number cube is rolled 24 times and lands on 2 four times and on 6 three time. Find the experimental probability of not landing on a 6

1. How does the friction affect forward motion? Give an example. 2. Describe two ways to change the frictional force between two solids surfaces. Change t

What is a communicable disease ?

a soccer team played 160 games and won 65% of them. how many did they win?

True or False along a divergent boundary, two plates slip past each other,moving in opposite directions.

Why did president Washington want the United States to remain neutral

Newtons third law of motion is also known as the law of ?

Luke made a model that has 1 circular base and 1 curved surface.what solid figure did he make