Question

Graphical method find the solution of the system of equation y+x=3and y=4x-2

Answer 1

Answer:

Solve equation [2] for the variable y

[2] y = 4x + 2

// Plug this in for variable y in equation [1]

[1] (4x+2) + x = -3

[1] 5x = -5

// Solve equation [1] for the variable x

[1] 5x = - 5

[1] x = - 1

// By now we know this much :

y = 4x+2

x = -1

// Use the x value to solve for y

y = 4(-1)+2 = -2

Answer 2

Answer:

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