Question

tìm x

(2002 +2003+2004+2005+2006)*(1015-x*5)=0

Answer 1

\(\left(2002+2003+2004+2005+2006\right)\times\left(1015-x\times5\right)=0\)

\(\Rightarrow1015-x\times5=0\)

\(\Rightarrow x\times5=1015\)

\(\Rightarrow x=1015\div5\)

\(\Rightarrow x=203\)

Answer 2

\(\text{(2002 +2003+2004+2005+2006).(1015-x.5)=0}\)

\(\Rightarrow1015-x.5=0\)

\(\Rightarrow x.5=1015\)

\(x=203\)

P/s : Hok tốt a~