Answer:
yes
Step-by-step explanation:
The law lets us move all of the addends around in any addition problem.
Answer:
They tend to be way more efficient.
Step-by-step explanation:
They are generally powerful and can carry things for long distances, Plus they don't cost a lot to repair.
Answer:
it’s 15x+30y-220
Step-by-step explanation:
Because you distribute and then you add the like terms
3x+7=-15
-7=-7
3x=-22
you cannot get the number only if it has a decimal