Question

What is the equivalent expression for 8+7y+2x+4y+4

Answer 1

The answer is 2x+11y +12. 

Answer 2

You could simplify this expression, because there are multiple terms with the same variable.

8+7y+2x+4y+4
2x+7y+4y+4+8
2x+11y+12

2x+11y+12 is an equivalent expression to 8+7y+2x+4y+4

Hope this helped!