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3x + 2y = -12[-4 ]= -6x - 8y = 48 -
2x = -12
x = - 6
3x + 2y = -12
3( -6 ) + 2y = - 12
-18 + 2y = - 12
2y = -12 + 18
2y = 6
y = 3
Hp = { -6 , 3 }
8x + 4y = -28 [ 1 ] = 8x + 4y = - 28
x - y = 1 [ 8 ] = 8x - 8y = 8 -
12y = - 36
y = - 3
8x + 4y = - 28
8x + 4 ( -3 ) = -28
8x - 12 = - 28
8x = - 28 + 12
8x = -16
x = -2
Hp = { -2 , -3 }