a, \(1522+12x=8002\)
\(\Rightarrow12x=8002-1522\)
\(\Rightarrow12x=6480\)
\(\Rightarrow x=6480:12=540\)
Vậy.........
b, \(x-48:3=12\)
\(\Rightarrow x-16=12\)
\(\Rightarrow x=12+16=28\)
Vậy......
c, \(\left(2x+5\right).\left|-7\right|=73\)
\(\Rightarrow\left(2x+5\right).7=73\)
\(\Rightarrow2x+5=\dfrac{73}{7}\)
\(\Rightarrow2x=\dfrac{73}{7}-5=\dfrac{38}{7}\)
\(\Rightarrow x=\dfrac{38}{7}:2=\dfrac{19}{7}\)
Vậy..........
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