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

The United States became involved in the war with Germany because
kitchen is 81 sq ft. kitchen is 9 times as many sq ft as the pantry of the rectangular pantry is 3 ft wide what is the length of the pantry
what is a simile..............................
Which best describes the structure of a nucleotide?
find the integer pair that has the product of -65 and the sum of -8
Add 2 protons to carbon what element do you create
Without phloem, a plant would be unable to _____. absorb water from the soil take in sunlight from the sun transport food from its leaves
round 5,223 to the nearest tens hundreds and thousands place
The average marathon is 42 km long. If the average person can run the marathon with an average velocity of 2.57 m/s, how long will it take him to finish the ra
Strength training lessens bone loss true or false