Algebra Help

Originally Posted by markem

Yes. It is an equation in a single variable.

However, x is NOT 5. Here's the details

2x X 4 = 100

Divide both sides by 4 and we get

2x = 25

divide both sides by 2 and we get

x = 25/2 = 12.5

So, if the equation is 2x X 4 = 100, will I always take the 100 and divide it by the number that was originally multiplied to get 100? In this case 4.