Respuesta :

Like terms have the same variables and exponents. Constants are also like terms.

The given expression is

Зу + 3y + 5+ 7x^3 - у - 6 - 7x^3

By combining like terms, it becomes

7x^3 - 7x^3 + 3y + 3y - y + 5 - 6

= 5y - 1