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Answer :

NoGameNoLife7W7go

Answer:

for number 6                       2x

for number 7                         8

Step-by-step explanation:

Amberdelightgo

Answer:

6. 8x+3x-9x= 2x

7. 2x-3=13

or, 2x=13+3

or, 2x=16

or, x=16/2

Therefore, x=8

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