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11 x (X-6)=4 x X +11
=> 11 x X - 11 x 6=4 x X +11
=> 11 x X - 66 = 4 x X+11
=> 11 x X - 4 x X = 11+66
=> (11-4) x X = 77
=> 7 x X=77
=> X=77:7
=> X=11
\(11\left(x-6\right)=4x+11\Leftrightarrow11x-4x=11+66\Leftrightarrow7x=77\Leftrightarrow x=11\)
11(x-6)=4x+11
=>11x-4x=11+66
=>7x=77
=>x=77:7
=>x=11
vậy x=11
11x(X-6)=4xX+11
11xX-11x6=4xX+11
11xX-66=4xX+11
11xX=4xX+11+66
11xX-4xX=11+66
(11-4)xX=77
7xX=77
X=77:7
X=11
11 x X - 11 x 6 = 4 x X + 11
11 x x - 66 = 4 x X + 11
11 x X - 4 x X = 66 + 11
11 x X - 4 x X = 77
( 11 - 4 ) x X = 77
7 x X = 77
X = 77 : 7
X = 11
P/s : k mình nha !
11 x (X-6)=4 x X +11
=> 11 x X - 11 x 6=4 x X +11
=> 11 x X - 66 = 4 x X+11
=> 11 x X - 4 x X = 11+66
=> (11-4) x X = 77
=> 7 x X=77
=> X=77:7
=> X=11
\(x+\dfrac{2}{3}=\dfrac{9}{11}\Rightarrow x=\dfrac{9}{11}-\dfrac{2}{3}=\dfrac{5}{33}\\ x-\dfrac{3}{10}=\dfrac{4}{15}\Rightarrow x=\dfrac{4}{15}+\dfrac{3}{10}=\dfrac{17}{30}\\ x\times\dfrac{1}{7}=\dfrac{5}{6}\Rightarrow x=\dfrac{5}{6}:\dfrac{1}{7}=\dfrac{35}{6}\\ x:\dfrac{3}{5}=\dfrac{1}{6}\Rightarrow x=\dfrac{1}{6}\times\dfrac{3}{5}=\dfrac{1}{10}\)
11x(x-6)=(4*x)+11
11x-66=4x+11
11x-4x=66+11
7x=77
x=77:7
x=11
Vậy x=11