Question

How do you find the answer to a algebraic sum of these like terms 7a, 2a, -3a, 5a,

Answer 1

it's 11a because you add together the as since they share like terms

Answer 2

$7a+2a+(-3a)+5a=7a+2a-3a+5a=a\big(7+2-3+5\big)=\\\\=a(11)=\boxed{11a}$