heatherhughes108
heatherhughes108 heatherhughes108
  • 05-02-2017
  • Mathematics
contestada

Solving a linear equation using the substitution method.

2y-x=3
y-x=4

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 05-02-2017
solve for 1 variable
solve for y in 2nd
y-x=4
add x
y=4+x
su that for y in other

2(4+x)-x=3
8+2x-x=3
8+x=3
minus 8
x=-5
sub back
y=x+4
y=-5+4
y=-1


(x,y)
(-5,-1)
Answer Link

Otras preguntas

Mike put 280 baseballs into 10 trash bins. He put the same number of baseballs in each bin. He took 5 trash bins of baseballs to the baseball field. How many ba
400m in 20 seconds how fast is it going
an adult elephant drinks about 225 liters of water each day. is the number of days the water supply lasts proportional to the numbers of liters of water the ele
crescere : to grow :: A. pingere : to paint B. texere : to build C. cantare : to argue D. facere : to face
How did diocletian and constantine give new life to the late roman empire?
In a collision between two objects having unequal masses, how does magnitude of the impulse imparted to the lighter object by the heavier one compare with the m
s= 4LW + 2WH; S=152, L=8, W=4. Find H
explain why a straight line on shows a constant rate of change
The Tragedy of Julius Caesar is classified as a __________. A.poemB.playC.novelD.short story
If you take 40 pounds of luggage with you on a vacation and you buy 10 pounds of souvenirs for your family (because you're really nice), do those extra souvenir