419037 419037
  • 02-04-2021
  • Mathematics
contestada

how to solve x=7y+3 and 9y-x=1 using subsituation method and showing work.

Respuesta :

s28045292
s28045292 s28045292
  • 02-04-2021

Answer:

x = 25/2

y = 3/2

Step-by-step explanation:

x = 7y + 3

9y - x = 1

9y- (7y + 3) = 0

2y - 3 = 0

2y = 3

y = 3/2

9(3/2) - x = 1

27/2 - x = 1

-x = -25/2

x = 25/2

Answer Link
Yang100
Yang100 Yang100
  • 02-04-2021

Answer:

x=17, y=2. (17, 2).

Step-by-step explanation:

x=7y+3

9y-x=1

----------

9y-(7y+3)=1

9y-7y-3=1

2y-3=1

2y=1+3

2y=4

y=4/2

y=2

x=7(2)+3

x=14+3

x=17

Answer Link

Otras preguntas

can someone please help me!?
how did coronavirus affect you mentally? I just want to know other people about what happened to them? (please don't delete my question)
How does a School Identity "Disruptive" Speech?
The midpoint of AB is M (-6,-4). If the coordinates of A are (-4,-3), what are the coordinates of B
The mouth _____. 1.uses teeth to chew food 2.begins the digestive process 3.breaks down starches into sugars 4.all of the above
. In the word 'EDUCATION', the probability of getting a vowel is _ *
Stores material within the cell​
which sentence uses a subjective pronoun correctly? laura and i have written an original play for this year’s festival. jakob and him were tied for first place
How did Chinese immigrants in the United States most likely respond to the Chinese Exclusion Act, described in Source 1? * 2 points a. Chinese immigrants worked
Answer to 43??? Please will make brainliest???