Question

125 - 125 . (x - 5 ) = 100

Answer 1

125-125.(x-5)=100

125.(x-5)=125-100

125.(x-5)=25

x-5=25:125

x-5=1/5

x=1/5+5

x=26/5

Answer 2

125-125.(x-5)=100

x=100+5

x=100

thử lại

125-125.(105-5)=100=>

1.100=100

Answer 3

nhầm, x=105 =))

Answer 4

\(125-125\left(x-5\right)=100\)

\(\Leftrightarrow125\left(x-5\right)=125-100=25\)

\(\Leftrightarrow x-5=\frac{25}{125}=\frac{1}{5}\)

\(\Leftrightarrow x=\frac{1}{5}+5=\frac{26}{5}\)

Answer 5

125 - 125 ( x - 5 ) = 100

125 ( x - 5 ) = 125 - 100

125 ( x - 5 ) = 25

( x - 5 ) = 125 : 25

x - 5  = 5

=> x = 5 + 5

=> x = 10

 Vậy x =10 

Answer 6

\(125-125.\left(x-5\right)=100\)

\(125.\left(x-5\right)=125-100\)

\(125.\left(x-5\right)=25\)

\(x-5=25:125\)

\(x-5=0,2\)

\(x=0,2+5\)

\(x=5,2\)

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Answer 7

125-125.(x-5) = 100

125.(x-5)       = 125-100

125.(x-5)       = 25

x-5               = 25:125

x -5              = 0.2

x                  = 0.2+5

x                  = 5.2

Answer 8

125 - 125 ( x - 5 ) = 100

125 ( x - 5 ) = 125 - 100

125 ( x - 5 ) = 25

( x - 5 ) = 125 : 25

x - 5  = 5

=> x = 5 + 5

=> x = 10

 Vậy x =10 

Answer 9

125-125.(x-5)=100

=>125.(x-5)=125-100

=>125.(x-5)=25

=>x-5=125:25

=>x-5=5

=>x=5+5

=>x=10