s0201hia s0201hia
  • 01-07-2021
  • Mathematics
contestada

2x+2y=38 y=x+3 solve by the solution

Respuesta :

sreedevi102
sreedevi102 sreedevi102
  • 01-07-2021

Answer:

x = 8 , y = 11

Step-by-step explanation:

[tex]2x + 2y = 38 => x + y = 19 - -- ( 1 ) \\\\y = x + 3 ---- ( 2 ) \\\\Substitute \ ( 2 ) \ in \ ( 1) :\\\\ x + y = 19\\\\x + ( x+ 3) = 19\\\\2x + 3 = 19\\\\2x = 19 - 3 \\\\2x = 16 \\\\x = \frac{16}{2} = 8\\\\Substitute \ x = 8 \ in \ ( 1 ) : \\\\x + y = 19\\\\8 + y = 19\\\\y = 19 - 8 = 11[/tex]

Answer Link

Otras preguntas

What are the 4 main macromolecules and their functions?
Prince of dead in Egypt
What was the difderence between the vrigina plan the new jersey plan concerning the legislature?
Where in romeo and juliet does it talk about the capulet wealth?
Explain how hard rock mining works
Xia has 16 metres of rope. She cuts off 1\6 of the rope to use as a skipping rope for a party activity. How long is Xia's skipping rope?
What is the surface area of a right rectangular prism with a length of 2 1/2 ft, a width of 1 1/2 ​ft, and a height of 3 1/2 ​ ft?
How can a clause be best defined as
What were some reasons for the decay of America’s inner cities
in the 1960s, new evidence helped support the theory of continental drift and change it into the theory of plate tectonics. What was this new evidence? Rock