x.(9,25+3/4)=55,35

x.(9,25+0,75)=55,35

x.10=55,35

x=55,35:10

x=5,535

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`HT`

Y x 9,25 + 75% x Y = 55,35

Y x 9,25 + 0,75 x Y = 55,35

Y x ( 9,25 + 0,75 ) = 55,35 

Y x 10 = 55,35 

Y = 55,35 : 10

Y = 5,535

x X 9,25 +75%X x = 55,35

x.9,25+75%.x=55,35
x.9,25+0,75.x=55,35
x.(9,25+0,75)=55,35
x.10=55,35
x=55,35:10
x=5,535

Hok tốt

x.(9,25+3/4)=55,35

x.(9,25+0,75)=55,35

x.10=55,35

x=55,35:10

x=5,535

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x*9,25+75%*x=55,35

x*9,25+0,75*x=55,35

x*(9,25+0,75)=55,35

x*10=55,35

x=55,35:10

x=5,535

1,15*2+2,3*1,15*6=1,15*(2+2,3*6)=1,15*(2+13,8)=1,15*15,8=18,17

b) \(x\cdot9,25+75\%\cdot x=55,35\)

\(\Leftrightarrow x\cdot9,25+0,75\cdot x=55,35\)

\(\Leftrightarrow x\left(9,25+0,75\right)=55,35\)

\(\Leftrightarrow10x=55,35\)

\(\Leftrightarrow x=5,535\)

\(x\times9,25\times x=55,35\)

\(x\times x=55,35:9,25\)

\(x\times x\approx5,98\)

\(x\approx2,45\)

hình như em chép sai đề bài

x=2,446177382

x*(9,25+0,75)=55,35

x*10=55,35

x=55,35:10

x=5,535

\(x\times9,25+0,75\times x=55,35\)

\(\Rightarrow x\times(9,25+0,75)=55,35\)

\(\Rightarrow x\times10=55,35\)

\(\Rightarrow x=55,35:10\)

\(\Rightarrow x=5,535\)

Vậy x = 5,535

các bạn làm xem có đg ko

 => 9,25x + 0,75x=55,35

=> 10x=55,35

=> x = 5,535

Chúc pạn hok tốt

x.9,25+75%.x=55,35

x.9,25+0,75.x=55,35

x.(9,25+0,75)=55,35

x.10=55,35

     x=55,35:10

     x=5,535