Answer:
C
Explanation:
x+x-1-1-1-1-1-1-1 = -x-x-x+1+1+1+1+1+1+1+1+1
2x-7 = -3x +9
5x - 7 = 9
5x = 16
x = 16/5
x= 3⅕
x= 3.2
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