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 formal duties assigned to the vice president by the constitution are?
How do u work this out
Select the correct pronoun. This fact is something for _____ Californians to note. us we
In order to get an A in English class, Jane needs to get at least 90% of the questions on the final test correct. If Jane got 55 out of the 60 questions correct
Which medication for the treatment of alcohol abuse has been approved by the Food and Drug Administration? A. Baclofen B. Acamprosate C. Topiramate D. Quetiapin
What state of matter is at 35 Celsius
If Cindy wanted to increase her endurance by taking supplements or drugs, she would be attempting to increase the __________. a. uptake of oxygen by red blood c
The population (in thousands) of a colony of bacteria t minutes after the introduction of a toxin is given by the function.P(t) = t^2 + 4 if 0 ≤ t < 5 −
which is the transfer of genes from one population to another? gene flow genetic drift gene mutation genetic selection
What is 7 and a half divided by 1 and one half