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Answer: x+x-2=8 or 2x-a=8
Explanation:
X+x-a=8
2x-a=8
2x=a+8
2x/2=2/2+8/2
X= 1+4
X=5
5+5-a=8
10-a=8
-a=8-10
-a= -2
A= -2/-1
A=2
5+5-2=8
10-2=8
8=8 it checks
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