Subtract 7a from both sides giving you 10=-5a and divide everything by 5. This gives you a=-2
Answer:
The answer is 4 + 4 + 4 - 4 = 8
Step-by-step explanation:
The four fours problem is one of the problems given in the book "The Man Who Calculated" by Malba Tahan, a Brazilian-born professor of mathematical sciences.
There are many complicated problems in this book made with the intention of using logic to find a value.
The 4 fours problem is based on using these numbers and using any operation to result in the numbers 1 through 10.
Answer:
4/8 - 2/8 = 2/8 = 1/4
Step-by-step explanation:
Do 5x12x5x9 and the answer is 2700
Answer:
27/10
2.7
Step-by-step explanation:
im not sure if that is the answer but that what i got
hope it helped