waecmaths question:
Which of the following lines represents the solution of the inequality $7x<9x-4$?
Option A:
Option B:
Option C:
Option D:
waecmaths solution:
$\begin{align} & 7x<9x-4 \\ & 7x-9x<-4 \\ & -2x<-4 \\ & x>2 \\\end{align}$Option A
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