Respuesta :

y = -1 + 3/8x

2x - 5y = 6

Substitute the first equation into the second equation, since y is already by itself.

2x - 5(-1 + 3/8x) = 6

2x + 5 - 15/8x = 6

2x - 15/8x = 1

16/8x - 15/8x = 1

1/8x = 1 Multiply 8 on both sides to get x by itself

x = 8


Plug x into either of the equations.

y = -1 + 3/8(8)

y = -1 + 3

y = 2


2(8) - 5y = 6

16 - 5y = 6

-5y = -10

y = 2


(8,2)

The solution of the given system of equation is (8/31,-28/31) and this can be determined by using the substitution method.

Given :

  • y = −1 + 3/8x
  • 2x − 5y = 6

The following steps can be used in order to solve the given system of equations:

Step 1 - Write the given system of equations.

y = −1 + 3/8x   --- (1)

2x − 5y = 6  --- (2)

Step 2 - Now, substitute the value of 'y' in equation (2).

[tex]\rm 2x -5(-1+\dfrac{3}{8}x) = 6[/tex]

Step 3 - Simplify the above equation.

[tex]2x + 5+\dfrac{15}{8}x = 6[/tex]

31x = 8

x = 8/31

Step 4 - Now, substitute the value of 'x' in equation (1).

[tex]\rm y = -1+\dfrac{3}{8}\times \dfrac{8}{31}[/tex]

y = -28/31

For more information, refer to the link given below:

https://brainly.com/question/12895249