Answer:
I know you said no guessing, but I'm assuming it's the first one, F.
I think may be 8p +5k . If I’m wrong,... sorry
Answer:
The Answer is 4.5 or 4 1/2
Step-by-step explanation:
Answer:
x = 2, y = 1
Step-by-step explanation:
x + 4y = 6 and y = 3 - x have to be rearranged: x + 4y = 6 and x + y = 3
You subtract the equations to eliminate one of the variables (x) so that the other can be found
Step-by-step explanation:
"identity" means an operation that does nothing.
For adding numbers, adding 0 changes nothing, so 0 is the identity for addition.
For multiplication, multiplying by 1 changes nothing, so 1 is the identity for multiplication.