17x – x + 5x – 19 = 170
17x – x + 5x = 170 + 19
21x = 189
x = 9
73y – y – 22y + 40 = 190
73y – y – 22y = 190 – 40
50y = 150
y = 3
17x – x + 5x – 19 = 170
17x – x + 5x = 170 + 19
21x = 189
x = 9
73y – y – 22y + 40 = 190
73y – y – 22y = 190 – 40
50y = 150
y = 3