V K Raman and S N Sharma Solutions for Exercise 4: CONCEPT REVISION TEST-18

A linear equation has only one root.

An equation cannot have both positive as well as negative roots.

When every term of an inequation is divided by negative sign, then the direction of the inequality changes.

$2\mathrm{x}-5=3$, then $\mathrm{x}$ _____ .

$\frac{2}{5}=\frac{4}{3\mathrm{x}}$, then $\mathrm{x}$ _____ .

$3-\mathrm{x}>5$, then $\mathrm{x}<$_____ .

$2<\frac{4}{\mathrm{x}}$, then $\mathrm{x}<$_____ .

$\frac{1}{1-\mathrm{x}}<\frac{1}{4}$, then $\mathrm{x}>$_____ .