7e - 4 = 31

how can I solve this?

Which property is shown? 7 + (-7) = 0 A. Additive Identity Property B. Additive Inverse Property C. Multiplicative Inverse Property D. Associative Property of Addition

When she first purchased it, Soledad's computer had 400 GB of hard drive space. After six months, there were only 313 GB available. Write and solve an equation to find the amount of hard drive space that Soledad used in the first six months.

A bag of sand originally weighing 144 lb is lifted at a constant rate. As it rises, sand also leaks out at a constant rate. At the instant when the bag has been lifted to a height of 18 feet, exactly half of the original amount of sand remains.

Find two numbers whose sum is 55 and whose product is 646

What's 3+3=6*6? I'm super confused on this

The price of one share or acme company declined $5 per day for 4 days un a row. How much did the price of one share change in total after the 4 days?

The measures of the angles of triangleDEF are in the ratio 2:4:4. What are the measures of the angles

In how many ways can 8 persons be seated in a row

How do I use 290-3x=75 as a word problem?

The width of a rectangle is 8 inches less than the length. The perimeter is 40 inches. Find the length and the width.