4x - 12 +7x
4 is a(n) ___________________
x is a(n) ___________________
12 is a(n) __________________

How many terms are in the above expression?

Respuesta :

Answer: 4 is a coefficient, because it's in front of a variable. x is a variable, because it's an unknown value. 12 is a constant, because it's just a value by itself. There are three terms: 4x, -12, and 7x.

Step-by-step explanation: