Hunter14
Hunter14 Hunter14
  • 25-03-2015
  • Mathematics
contestada

What is the solution to the system of equations?

x=3y+5
x-4y=3

( , )

Respuesta :

0000000
0000000 0000000
  • 25-03-2015
x=3y+5
x-4y=3
3y+5-4y=3
5-y=3
y=5-3
y=2
x=3·2+5
x=6+5
x=11

(2;11)
Answer Link
apologiabiology
apologiabiology apologiabiology
  • 25-03-2015
so one way is to subsitute

from the first equation we know that x=3y+5
so we subsitte 3y+5 for x in the second equation

(3y+5)-4y=3
3y+5-4y=3
combine like terms
5-y=3
subtract 5 from both sdies
-y=-2
multiply -1
y=2

subsitute 2 for y

x=3(2)+5
x=6+5
x=11



x=11
y=2
(11,2)
Answer Link

Otras preguntas

What is the percent error actual egg is 2.4 ouch supposed to weigh 2.5 oz
In a random survey of 10 students in a class ,6 said that they would vote for matt for class president. How many people could we expect to vote for matt if ther
How do we gather information about distance stars?
I have problem with this one
Help me here I need the help assp
HELP ME PLEASE???! what context clues is used to determine the meaning of the word????
I need help I can’t do this
Someone solve for me please WILL MARK THE BRAINLIEST FOR EXPLANATION !!!!!
Find the volume and surface area of this composite figure.
Can someone help me with this asap