Question

175-5x(x-10)=25

 

Answer 1

\(175-5\times\left(x-10\right)=25\)

\(\Rightarrow5\times\left(x-10\right)=175-25\)

\(\Rightarrow5\times\left(x-10\right)=150\)

\(\Rightarrow x-10=150:5\)

\(\Rightarrow x-10=30\)

\(\Rightarrow x=30+10\)

\(\Rightarrow x=40\)

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Answer 2

\(175-5\left(x-10\right)=25\)

\(\Leftrightarrow5\left(x-10\right)=150\)

\(\Leftrightarrow x-10=30\)

\(\Leftrightarrow x=40\)

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Answer 3

5 * (x- 10 ) = 25+ 175

5* (x- 10 ) = 200

x- 10 = 200/ 5

x- 10 = 40

x = 40 + 10

x =50

Answer 4

\(175-5\times\left(x-10\right)=25\)

\(\Rightarrow5\times\left(x-10\right)=175-25\)

\(\Rightarrow5\times\left(x-10\right)=150\)

\(\Rightarrow x-10=150:5\)

\(\Rightarrow x-10=30\)

\(\Rightarrow x=30+10\)

\(\Rightarrow x=40\)

Vậy x = 40

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