Answer:
Combining like terms is just that, combining numbers in an equation that have the same property. examples would be constants or numbers with the same exponent.
Properties of exponents are when you multiply, add, subtract, or divide exponents.
I hope I helped!
The number is 13
Step-by-step explanation:
the equation:
The solution.
Hope this helps
-63
6x - 3y
= 6 × -4 - 3 × 13
= -24 - 39
= -63
30,000