lulustar13 lulustar13
  • 04-02-2019
  • Mathematics
contestada

Solve this equation using substitution.

{4x + y = −2}
{4x + 6y = 44}

Respuesta :

mathecoach
mathecoach mathecoach
  • 04-02-2019

Answer:

4x + y = −2 --> 4x = -y - 2

4x + 6y = 44

Substitute 4x in the 2. equation.

(-y - 2) + 6y = 44

5y - 2 = 44

5y = 46

y = 9.2

4x = -9.2 - 2

4x = -11.2

x = -2.8


Answer Link

Otras preguntas

What automobile manufacturer was born on Christmas Day 1878?
An atom that has 13 protons in 15 neutrons is an isotope of the element
homeostasis is maintained in a single -celled organism by the interaction of
How would the Philippine government respond to an insurgency?
In a multicellular organism, organs carry out a variety of life functions. In a single-celled organism, these functions are performed by A.tissues B. organelles
the practice of islam throughout much of west Africa is evidence that
Which idea from the Enlightenment was used in the Declaration of Independence? A.Revolution leaders should explain their ideas to the world. B.Science can answe
Why are the Rocky Mountains described as younger?
how was roman fine art different from Greek art
firms can respond to higher wages by replacing what