Solve using elimination. -2x + y = 1 -6x - y = -9
HELP

(x,y) = (8,7)

Step-by-step explanation:

Solve equation [2] for the variable  x

 [2]    x = y + 15

Plug this in for variable  x  in equation [1]

[1]    (y +15) + y = 1

[1]    2y = -14

Solve equation [1] for the variable  y

[1]    2y = - 14

[1]    y = - 7  By now we know this much :

x = y+15

y = -7

// Use the  y  value to solve for  x

x = (-7)+15 = 8

Solution :

{x,y} = {8,-7}

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step-by-step explanation:

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