The answer would be (7,-1) :)
Answer:
10
Step-by-step explanation:
Answer:
a is true
Step-by-step explanation:
its because 7+(-7) =0 so a is correct
Answer:
19/4 or 4 3/4
Step-by-step explanation:
first, negatives and negatives when added are just added and the negative sign is added. That would be -5/4. Then, You would add 12. To make it easier if this is new to you, you could change 12 to 48/4 and get 43/4. Finally, add -6. To make this easier, make -6, -24/4. Add 43/4 with -23/4 and get 19/4 or
4 3/4
Hope this helps!! :D
Answer:
a) 
is not a valid equality. So a) will not have a solution set of all real numbers.
b) 
is a valid equality for all real numbers. So b) will have a solution set of all real numbers.
c) is a valid equality for all real numbers. So c) will have a solution set of all real numbers.
d) 
is only valid for 
. So d) will not have a solution set of all real numbers.
Step-by-step explanation:
a)
is not a valid equality. So a) will not have a solution set of all real numbers.
b)
is a valid equality for all real numbers. So b) will have a solution set of all real numbers.
c)
is a valid equality for all real numbers. So c) will have a solution set of all real numbers.
d)
This is only valid for . So d) will not have a solution set of all real numbers.
