02-11-2017
Mathematics

contestada

Elimination
4x+5y=-15
-3x-2y=13

Respuesta :

Dreamer4102001 Dreamer4102001

04-11-2017

multiply the first equation by 3 and tge second by 4:
12x+15y=-45
-12x-8y=52
then add the equations:
0x+7y=7
7y=7
y=1
so 4x+5(1)=-15
4x+5=-15
4x=-20
x=-5

Answer Link

Otras preguntas

What is one question you might want to ask before donating money to charity? Are there any employment opportunities available at the agency? Can the money b

Why did the government ration goods? Help me plz

its ok saby everyone makes mistakes and thank you

As gatsby and nick arrive at the buchanan’s house, the scene is nearly identical to a much earlier scene in the novel. daisy and jordan are sitting on the couch

2.Abigail roller skates with a constant speed of 12 km/h, How long willshe taketo travel a distance of 15 kilometers?

suggest two ways that chemical pollutants could be carried far from their sources

A population of insects doubles every 3 days. The population started with 8 insects. The function that models this growth is f(x)=8(2)^x/3. Evaluate the functio

___ have many angiosperm-like features

We talk for an hour and had apple pie and coffee, slowly. Finally, we got up with Carolyn taking my hand. Slightly embarrassed, I tried to pull away but her gri

Choose a logical statement.　Japanese help please!