waecmaths question:
Solve the inequality $1-2x<-\tfrac{1}{3}$
Option A:
$x<\tfrac{2}{3}$
Option B:
$x<-\tfrac{2}{3}$
Option C:
$x>\tfrac{2}{3}$
Option D:
$x>-\tfrac{2}{3}$
waecmaths solution:
$\begin{align} & 1-2x<-\tfrac{1}{3} \\ & -2x<-\tfrac{1}{3}-1 \\ & -2x<-\tfrac{4}{3} \\ & x>\tfrac{2}{3} \\\end{align}$
maths year:
maths topics: