Subtract 19𝑦 plus 18𝑥 from 23𝑥 minus 24𝑦. Writing this as one expression gives us 23𝑥 minus 24𝑦 minus 19𝑦 plus 18𝑥. Grouping the 𝑥 terms gives us 23𝑥 minus positive 18𝑥. 23𝑥 minus 18𝑥 is equal to five 𝑥. Simplifying or grouping the 𝑦 terms gives us negative 24𝑦 minus 19𝑦. This is equal to negative 43𝑦. Therefore, the answer when we subtract 19𝑦 plus 18𝑥 from 23𝑥 minus 24𝑦 is equal to five 𝑥 minus 43𝑦.