Answer :
6x - 17 = 7 ........ added 1x to both sides
6x = 24 ............. added 17 to both sides
x = 4 ................. divided by 6 on both sides
so x=4
6x = 24 ............. added 17 to both sides
x = 4 ................. divided by 6 on both sides
so x=4