Algebraic conventions are the way that formulas and algebraic problems are shown. For example one convention is 'x'. X is often a primary variable.
Algebraic conventions are standards used in algebra, like formulas or x being a variable
x + 3
It is: x-5
x - 8
x - 11
It is simply: x+12
x+8
That expression is x-6.
x - 10
It is: x-5
x+4