Answer :

lalitsinghg1

Answer:

18

Step-by-step explanation:

Let's put value first

9+(-6)+9+6

9-6+9-6=18

9-6=3

3+9=12

12+6=18

DIVINEGIRL01

Answer:

18

Step-by-step explanation:

X = 9

y = 6

x + (-y)+ x + y

= 9 + (-6) + 9 + 6

= 9 - 6 + 9 + 6

= 3 + 9 + 6

= 18

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