5(a+2) + 9 = 55a + 10 + 9 = 55a + 19 = 55a = 3a = 7
2(3x-1) - 3 = 6x - 2 - 3 = 6x - 5 = 6x = x = 1
17(5x-3) = 17385x - 51 = 17385x = 178x = 21
6(3x+6) = 23218x + 36 = 23218x = 228x = 127
5(a+2) + 9 = 5
5a + 10 + 9 = 5
5a + 19 = 5
5a = 3
a = 7
2(3x-1) - 3 =
6x - 2 - 3 =
6x - 5 =
6x =
x = 1
17(5x-3) = 173
85x - 51 = 173
85x = 178
x = 21
6(3x+6) = 232
18x + 36 = 232
18x = 228
x = 127