Question

Please help! I will give a medal!!
Which line shows the first error in the solution?

6x+4=3x-8 line 1
6x-3x+4=3x-3x=8 line two
3x+4=-8 line three
3x+4-4=-8-4 line four
3x=-4 line five
3x/3=-4/3 line six
x=-4/3line seven

Answer 1

fifth line

Answer 2

line 5

Answer 3

line two there are two equals it is not going to be 8 it should be minus 8

Answer 4

-8-4 is not -4, it is -12

Answer 5

because -4-8 is -12 but not -4

Answer 6

thank you so much!!