The sum of the two expressions is given as:
[tex](8x+10y)+(-4x-3y)[/tex]Expanding the parentheses using the symbols:
[tex]8x+10y-4x-3y[/tex]Collecting like terms,
[tex]8x-4x+10y-3y[/tex]Simplifying:
[tex]4x+7y[/tex]The simplest term is given as (4x + 7y)