Second one is correct, that is an identity.
Third one is a contradiction:
6x - 15 = 3 * (2x - 6) ------> 6x - 15 = 6x - 18
Fourth one:
5x - 3 * (x - 4) = 2 * (x - 6) ---> 5x - 3x + 12 = 2x - 12 ---> 2x + 12 = 2x -12
So this is a contradiction as well.
You will divide eveything by 6
you will end up with
Answer:
The first one 10 units would be the perimenter of the tenth figure.
Answer:
the answer is 6.
Step-by-step explanation:
