Question

x+2y+9=0, 3x+4y+17=0​

Answer 1

Step-by-step explanation:

Solve by Substitution :

// Solve equation [1] for the variable x

[1] x = -2y - 9

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

[2] 3•(-2y-9) + 4y = -17

[2] - 2y = 10

// Solve equation [2] for the variable y

[2] 2y = - 10

[2] y = - 5

// By now we know this much :

x = -2y-9

y = -5

// Use the y value to solve for x

x = -2(-5)-9 = 1

Answer 2

Refer the attachment!!