Solve the system of linear equations using Elimination 3x + y = 12
-3x+9y=48

HELP ASAP!!! Worth 20 points

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

Will gve pints stars and brainliest

Sue's average score for three bowling games was 162. in the second game, sue scored 10 less than in the first game. in the third game, she scored 13 less than in the second game. what was her score in the first game?