Question

Y = 2x - 8 3x - 2y = 13​

Answer 1

{x,y} = {3,-2}

Explanation:

// Solve equation [1] for the variable y

[1] y = 2x - 8

// Plug this in for variable y in equation [2]

[2] 3x - 2•(2x-8) = 13

[2] -x = -3

// Solve equation [2] for the variable x

[2] x = 3

// By now we know this much :

x = 3

y = 2x-8

// Use the x value to solve for y

y = 2(3)-8 = -2

Solution :

{x,y} = {3,-2}