Answer:
568
Step-by-step explanation:
First, since x is 5, we sub in 5 for each x. So the equation now looks like 15 - 7 + 20 times 28. So we want to do 20 times 28 first. This equals 560. So 15 minus 7 is 8 and 8 plus 560 is 568. I hope this helps! Please make me brainliest!
