How can you show that the ratios in the table are equivalent?

You can find equivalent ratios by multiplying or dividing both terms of a ratio by the same number. This is similar to finding equivalent fractions of a given fraction. All the ratios in the tables below are equivalent. Such tables of equivalent ratios can be used to find missing values

4*x variable

4:8 , 12:16 , 20:24 & 28 are all in the fours-

X> -2 is the simplified version.