The GCF is 45.
45(3a + 5b)
58 + 25 is an integer, not a fraction.
zero?
It is 2.
Closure of the set of integers under addition.
45(3a + 5b)
-512-14+312 is an integer, not a fraction.
58 + 25 is an integer, not a fraction.
an integer plus and integer will always be an integer. We say integers are closed under addition.
It cannot be done. The basic rules of math. odd integer plus odd integer = even integer. odd integer plus even integer = odd integer. Always. odd integer plus odd integer plus odd integer = odd integer. Always.
56 + 34 = 90 is an integer, not a fraction.
2
zero?
It is 2.
Closure of the set of integers under addition.
m+6
If both x and y are integers, then x plus y is always an integer, otherwise not.