Question

What’s 4x + 7y + 4 + 5x + y

Answer 1

Answer: 9x+8y+4

Explanation:

4x+7y+4+5x+y

9x+7y+4+y

9x+8y+4

Answer 2

Hello!

Okay, so first we need to add like terms... so first, add the terms with the same variables. That gives us:

9x + 7y + 4 + y

Now add 7y and y

That gives us:

9x + 8y + 4

This can't be added anymore... this is as far as we can go because they are no longer like terms.