"6 = x/8 + 4" is an algebraic equation.
That would depend on the value of the variable x otherwise it is just: 4+x
The given expression can be simplified to: 14k-12
The degree is equal to the highest exponent on a variable, which is 2.
23
this is not helpful
1.75 or 13/4
5/4
1
280
4 over 30
The commutative property of addition.
5 over 8