-4
4
1
-1
Correct answer is D
16 * 2(x+1) = 4x * 8(1−x)
= 24 * 2(x+1) = 22x * 23(1−x)
--> 4 + x + 1 = 2x + 3 - 3x
collect like terms
--> x - 2x + 3x = 3 - 1 - 4
--> 2x = -2
--> x = -1
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