darlingtononyia1
darlingtononyia1 darlingtononyia1
  • 02-04-2020
  • Mathematics
contestada

7x-4y =3 and 7-4y=3​

Respuesta :

fayemioluwatomisin
fayemioluwatomisin fayemioluwatomisin
  • 02-04-2020

Answer:x=1 and y=1

Step-by-step explanation:

Solve simultaneously

-4y=3-7

-4y=-4

y=1

Substitute for y in equation 1

We get

7x-4(1)=3

7x-4=3

7x=3+4

7x=7

x=1

Answer Link

Otras preguntas

can you ever use a calculator to determine if a number is rational or irrational
can you ever use a calculator to determine if a number is rational or irrational
the word "Semite" refers to a large language/ethics grouping that includes which two Middle Eastern people among its members?
Why did some Southern states begin to talk of succession?
Which type of equilibrium exists in a sealed flask containing Br2(ℓ) and Br2(g) at 298 K and 1.0 atm?(1) static phase equilibrium (2) static solution equilibriu
Which is an implied or indirect reference found in literature? A. a point of view B. a themeC. an allusionD. a symbol
In Bear Creek Bay in July, high tide is at 1:00 pm. The water level at high tide is 7 feet at high tide and 1 foot at low tide. Assuming the next high tide is e
what is the importance of prehistory
Which approach best defines how writers of historical fiction try to appeal to readers? A.by providing an accurate, fact-based picture of history B.by alterin
Which statement is true for all minerals? A.They have a crystalline structure. B.They contain useful metals. C.They are made of silicon and oxygen. D.They are t