3. Simplify the following: b) 15- [3+ {5-(x-77] Ans' 15-[3+d5-(x-7)}] please find my answers
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Step-by-step explanation:
=15-[3+{5-(x-7)}]=0
= 15-[3+{5-x+7}]=0
= 15-[3+{12-x}]=0
= 15-[3+12-x]=0
= 15-[15-x]=0
= 15-15+x=0
= x=0
hence the value of x is 0
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