Question

tìm x biết 240-40*(97-x)=200  ai giúp tui với

Answer 1

\(240-40\left(97-x\right)=200\\ \Rightarrow40\left(97-x\right)=40\\ \Rightarrow97-x=1\\ \Rightarrow x=96\)

Answer 2

\(\Rightarrow40\left(97-x\right)=240-200=40\\ \Rightarrow97-x=40:40=1\\ \Rightarrow x=97-1=96\)

Answer 3

\(240-40\left(97-x\right)=200\\ \Rightarrow40\left(97-x\right)=240-200\\ \Rightarrow40\left(97-x\right)=40\\ \Rightarrow97-x=40:40\\ \Rightarrow97-x=1\\ \Rightarrow x=97-1\\ \Rightarrow x=96\)