b: =>41-(7x-5)=18
=>7x-5=23
=>7x=28
=>x=4
d: =>3(x+2):7=30
=>3(x+2)=210
=>x+2=70
=>x=68
f: =>\(5^{x-2}=16-2^{12}+2^{12}+9=25\)
=>x-2=2
=>x=4
h: \(\Leftrightarrow x-\left[3+16-8-3\right]=10\)
=>x-8=10
=>x=18
j: =>99-9(2x+5)=18
=>9(2x+5)=81
=>2x+5=9
=>x=2
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