Question

3) In order to add or subtract algebraic expressions you MUST have: a) negative signsb) identical variables and exponentsc) positive signsd) simplified expressions

Answer 1

3) In order to add or subtract algebraic expressions you MUST have

: a) negative signs

b) identical variables and exponents

c) positive signs

d) simplified expressions

we know that

In order to add or subtract algebraic expressions you MUST have

negative signs or positive signs

therefore

the answer is

option a nd option c