|x-9|+3=5 I already got x=11 for one of the answers for the second answer I keep getting x=-1 but on the answer sheet it says it’s x=7

It takes evan 6 3/4 to mow 3 lawns. it takes 2 1/3 hours to mow me. gals lawn and 1 3/4 hot mow ms. lee’s lawn. how many hours does it take evan to mow the third lawn?

Three times the sum of a number and seven is negative thirty-six. what is the number?

The table shows the results of three plays in a football game. what is the net result of the three plays? football game 1st play 5 yards 2nd play -9 yards 3rd play 12 yards