emmaattaway
emmaattaway emmaattaway
  • 24-01-2017
  • Mathematics
contestada

To solve an equation using substitution - the equations are y=6x-11
-2x-3y= -7

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 24-01-2017
so we see we got y=6x-11
sub 6x-11 for y int other eqution

-2x-3(6x-11)=-7
expand/distribute
-2x-18x+33=-7
-20x+33=-7
minus 33 both sides
-20x=-40
divide both sides by -20
x=2

sub back

y=6x-11
y=6(2)-11
y=12-11
y=1


x=2
y=1
(x,y)
(2,1)
Answer Link

Otras preguntas

A student makes the analogy that the cardiovascular system is like a highway. Why is this a good analogy? A. Blood is made of many different kinds of cells. B
People prayed in a _____, a temple tower in the center of the city. *
The imprint of a fingerprint consists of natural secretions of the sweat glands that are present where
Which of the following was NOT an achievement of the Ottoman Empire? * 10 points They built the famous Hagia Sophia. They successfully conquered Constantinople.
Study the photograph showing part of the tropical rainforest in Central Africa. Describe and explain the features of the vegetation shown in the photograph.
3. Find a rational number between the two numbers below: * 15/31 and 16/31
Find the force of an object is the mass is 2 kg and the acceleration is 5 m/s2.
well guys I have 9 warnings so I might as well simp until I get my tenth warning Imao
I neeed helpppppp please
15) Which group of people were targeted during the Bosnian genocide? 1. Tutsis 2.Christians 3. Muslims 4. Kurds