Question

Whats the equivalent expressions by conbining like terms 5a+ 4+ 2a

Answer 1

7a+4, when combining like terms simply add together the things that look alike

Answer 2

If you add 5a and 2a you get 7a then you are left with 4. Meaning, your answer would be 7a+4. Since 4 doesnt have a variable, you dont add it to 7a.