List out the examples of quartic equation?

$\frac{\mathrm{x}}{4 }\times$ _____$=\frac{\mathrm{x}}{20}$

In the systematic method of solving an equation, if we subtract a number from one side of the equation, then 

_____$+ (-7\mathrm{y})=-11\mathrm{y}$

Which of the following equation has the solution $\mathrm{x}=5?$

When a number added to LHS is transported, the addition operation

_____$+5\mathrm{p}=12\mathrm{p}$

_____$+\frac{1}{2}\mathrm{p}=\frac{5}{6}\mathrm{p}$

_____$+(-4\mathrm{q})=14\mathrm{q}$

Which of the following statements is incorrect$?$