Perry1635 Perry1635
  • 04-04-2020
  • Mathematics
contestada

How do I solve this equation using the substitution method?

x -3y = 4

4x - 2y = 26

Respuesta :

TheNoobXD
TheNoobXD TheNoobXD
  • 04-04-2020

Answer:

(7,1)

Step-by-step explanation:

x-3y=4

4x-2y=26

change numbers on top to an equation

x=4+3y

4x-2y=26

substitute x into an equation

4(4+3y)-2y=26

solve

y=1

substitute y into an equation

x=4+3•1

multiply 3 and 1

x=4+3

x=7

(7,1)

Answer Link

Otras preguntas

If north dakota sues south dakota, the case will be heard by the __________. science forums
HELP! SIMPLIFY! simplify: 1) (m³ n⁵) (mn⁴) ------------------ m⁻³ n² 2) 6a² b³ ----------- 4a 3)
I don't get this. can someone help me. I have a whole packet of this.
Toni can carry up to 13 lb in her backpack. Her lunch weighs 1 lb, her gym clothes weigh 2 lb, and her books (b) weigh 2 lb each. How many books can she carry i
"copyright is a legal protection given to creators of certain types of intellectual property" select one: a. True b. False
Which sentence uses a noun clause as a predicate nominative? A) The moving men ended up dropping the couch and breaking it. B) Jonathan's math homework had to
it's a good idea to refine_____, which is a good study habit
The Mughal empire was replaced by the
If a six sided die is tossed two times and '3' shows up both times, the probability of a '3' on the third trial is
If north dakota sues south dakota, the case will be heard by the __________. science forums