\(25+3(x-8)=106\)
\(25+3x-24=106\)
\(1+3x=106\)
\(3x=105\)
\(x=35\)
3.(x-8) = 106-25
3.(x-8) = 81
x-8 = 81:3
x-8 = 27
x=35
\(25+3\left(x-8\right)=106\)
\(\Rightarrow3\left(x-8\right)=81\Rightarrow x-8=27\)
\(\Rightarrow x=35\)
Vậy..........
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25 + 3.( x - 8 ) = 106
3. ( x - 8 ) = 106 - 25
3.( x - 8 ) = 81
x - 8 = 81 : 3
x - 8 = 27
x = 27 + 8
x = 35