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11(6-x)-4x=11
=>66-11x-4x=11
=>66-15x=11
=>15x=66-11=55
=>\(x=\dfrac{55}{15}=\dfrac{11}{3}\)
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\(a.\dfrac{1}{2}:3+x=\dfrac{14}{5}\)
\(\dfrac{1}{6}+x=\dfrac{14}{5}\)
\(=>x=\dfrac{79}{30}\)
\(b.\dfrac{8}{5}:x:\dfrac{7}{4}=\dfrac{11}{6}\)
\(\left(\dfrac{8}{5}\cdot\dfrac{4}{7}\right):x=\dfrac{11}{6}\)
\(\dfrac{32}{35}:x=\dfrac{11}{6}\)
\(x=\dfrac{192}{385}\)
\(c.\dfrac{24}{10}+x:\dfrac{3}{4}=\dfrac{11}{3}\)
\(x:\dfrac{3}{4}=\dfrac{11}{3}-\dfrac{24}{10}\)
\(x:\dfrac{3}{4}=\dfrac{38}{30}\)
\(=>x=\dfrac{19}{20}\)
\(a,\dfrac{1}{2}:3+x=\dfrac{14}{5}\\ \Leftrightarrow x+\dfrac{1}{6}=\dfrac{14}{5}\\ \Leftrightarrow x=\dfrac{79}{30}\\ b,\dfrac{8}{5}:x:\dfrac{7}{4}=\dfrac{11}{6}\\ \Leftrightarrow x=\dfrac{192}{385}\\ c,\dfrac{24}{10}+x:\dfrac{3}{4}=\dfrac{11}{3}\\ \Leftrightarrow\dfrac{4}{3}x=\dfrac{19}{15}\\ \Leftrightarrow x=\dfrac{19}{20}\)
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\(11\times\left(x-6\right)=4\times x+11\)
\(\Rightarrow11\times x-66=4\times x+11\)
\(\Rightarrow11\times x-4\times x=66+11\)
\(\Rightarrow77\times x=77\)
\(\Rightarrow x=1\)
b) \(\left(2\times x-10\right)\times\left(25-25\times x\right)=0\)
\(\Rightarrow\orbr{\begin{cases}2\times x-10=0\\25-25\times x=0\end{cases}\Rightarrow\orbr{\begin{cases}x=5\\x=1\end{cases}}}\)
a)11x(X-6)=4xX+11
11xX-11x6=4xX+11
11xX-4xX=11x6+11
(11-4)xX=66+11
7xX=77
x=77:7
x=11
b)(2xX-10)x(25-25xX)=0
=>2xX-10=0=>2xX=10 =>x=10:2=5
hoặc 25-25xX=0=>25xX=25=>x=25:25=1
Vậy x=1 hoặc x=5
Tích ch0 mình nha
Cảm ơn bạn nhìu
\(11\left(x-6\right)=4x+11\)
\(\Leftrightarrow11x-66=4x+11\)
\(\Leftrightarrow-66-11=4x-11x\)
\(\Leftrightarrow-77=-7x\)
\(\Leftrightarrow x=11\)
Vậy x=11