Are the following like terms?

$4p$4p and $6p$6p

No

Yes

$6n^2$6n2 and $4n$4n

Write a single algebraic term to represent the expression $y+y+y+y$y+y+y+y.

Simplify the expression:

$x+7+1$x+7+1

Generalise the properties of operations with fractional numbers and integers.