asdf334asdf334 asdf334asdf334
  • 04-02-2019
  • Mathematics
contestada

what is x and y (use substitution?) 5x+3y=38 and y=3x+8?

Respuesta :

1969976289
1969976289 1969976289
  • 04-02-2019

Answer:

x = 1 and y = 11

Step-by-step explanation:

To start, let's substitute in y into the first equation. We will get 5x + 3 (3x + 8) = 38. Now, distribute the 3 in the 2nd term to get 5x + 9x + 24 = 38. Add like terms to get 14x + 24 = 38, and subtract 24 from both sides to get 14x = 14. Now, divide both sides by 14 to get x = 1. Plug this back in to get that y = 11.

Answer Link

Otras preguntas

if f(x)=|3x-4|+2, find f (-10)
Over what period of time would you expect to see large changes in mountains,canyons,and similar features of the earth?
which inequality is equivalent to 7x-2y> 8. A) y> 7/2x+8 b) y>-2/7x+8/7 c) y <7/2x-4 d) y <-2/7x-4/7 (whats a Inequality? )
solve for x: 2x^2+4x-16+=0
What are some reasons why Immigrats people come to the U.S.?
What is the value of x in 15x-10= 20
What challenges did the californios face?
What do Frederick Douglass' words "America reigns without a rival" mean?
which inequality is equivalent to 7x-2y> 8. A) y> 7/2x+8 b) y>-2/7x+8/7 c) y <7/2x-4 d) y <-2/7x-4/7 (whats a Inequality? )
Using the equation y=ax^2+bx+c to represent a parabola on a graph, which statement is true?1) If b is negative, the parabola opens downward2) If a is negative,