35-[23-{19-(15-?)}]=12×2÷1/2. please tell me fast
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Answer:
? Has variable x(?=x)
Answer= -22
Step-by-step explanation:
=> 35 -[23 -{19 -15+x}] = 12 × 4
=> 35 -[23 - {14+x}] = 48
=> 35 - [23 - 14 - x] = 48
=> 35 -[ 9 - x] = 48
=> 35 - 9 - x = 48
=> 26 - x = 48
=> - x = 48 - 26
=> -x = 22
=> x = - 22
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