Question 16: Find x knowing \((-5.6).x+2,9.x-3.86=-9.8\)

\((-5.6).x+2.9.x-3.86=-9.8\)

\(\Rightarrow [(-5,6)+2,9].x-3.86=-9.8\)

\(\Rightarrow -2.7.x-3.86=-9.8\)

\(\Rightarrow -2.7.x =-9.8+3.86\)

\(\Rightarrow -2.7.x=-5.94\)

\(\Rightarrow x=(-5,94):(-2,7)=2,2\)