94 nhân 4 - 27 = a + 350/a +315 . Tim a?
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92X4-27=\(\dfrac{a+350}{a}\)+315
=>341=1+\(\dfrac{350}{a}\)+315=316+\(\dfrac{350}{a}\)
=>\(\dfrac{350}{a}\)=341-316=25
=>a=\(\dfrac{350}{25}\)=14
\(92.4-27=\frac{a+350}{a}+315\)
\(368-27=\frac{a+350}{a}+315\)
\(368-27=1+\frac{350}{a}+315\)
\(341=\frac{350}{a}+316\)
\(341-316=\frac{350}{a}\)
\(25=\frac{350}{a}\)
\(25a=350\)
\(a=350:25\)
\(a=14\)
\(92.4-27=\frac{a+350}{a}+315\)
\(\Rightarrow368-27=1+\frac{350}{a}+315\)
\(\Rightarrow341-1-315=\frac{350}{a}\)
\(\Rightarrow25=\frac{350}{a}\)
\(\Rightarrow a=\frac{350}{25}=14\)
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\(94\cdot4-27=a+\frac{350}{a}+315\)
\(\Rightarrow376-27=\frac{a+350}{a}+315\)
\(\Rightarrow349=1+\frac{350}{a}+315\)
\(\Rightarrow349=316+\frac{350}{a}\)
\(\Rightarrow\frac{350}{a}=349-316\)
\(\Rightarrow\frac{350}{a}=33\)
\(\Rightarrow a=\frac{350}{33}\)