edendunham24601
edendunham24601 edendunham24601
  • 26-02-2020
  • Mathematics
contestada

X=2y-4, 5x-6y=-8 I need to solve this using the substitution method

Respuesta :

gcantiga44
gcantiga44 gcantiga44
  • 26-02-2020

Answer:

x = 2

y = 3

Step-by-step explanation:

x = 2y - 4

5x - 6y = -8

Substitute for x.

5(2y - 4) - 6y = -8

10y - 20 - 6y = -8

4y - 20 = -8

4y = -8 + 20

4y = 12

y = 12 ÷ 4

y = 3

x = 2y - 4

x = 2(3) - 4

x = 6 - 4

x = 2

Answer Link

Otras preguntas

Can someone please help me?
what does the prefix semi- mean in the word semiaquatic? a. nearly b. partly c. fully d. jointly
At a student council meeting, there was a total of 60 students present. Of those students, 35 were female. By what percent is the number of males less than the
hello can someone help me with 3 to find the area of the triangle and number 5 to find the missing dimension and explain it thx
Alan earns $6.36 for each hour of work. He worked 7.5 hours yesterday. Find how much he earned yesterday.
What is W plus W +5w
Probably the most important distinction between most poetry and prose is that poetry has definite meter. True False
What equation represents the linear function shown in the graph? Enter your answer in the box. Write your answer in the form y = mx + b.
Jimmy is selling used books at a yard sale. A customer buys 9 books at a cost of $0.75 each and pays with a $20.00 bill. Jimmy must determine c, the amount of c
Dunhuang is the site of a great collection of early chinese art that fills the