Question

9x - 9y + 18 = 0
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Answer 1

Step-by-step explanation:

• 9x - 9y + 18 = 0

• 9x - 9y = 0 - 18

• 9x - 9y = -18

• 9 ( x - y ) = -18

• x - y = -18 / 9

• x - y = -2

Answer 2

9x-9y=-18

9(x-y)= -18

x-y=-18/9

x-y= -2

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