Question

Which line shows the first error in the solution?

Answer 1

3)

Answer 2

thanks can you explain :)

Answer 3

ok so 1&2 are correct so lets start from 2

Answer 4

8x-4x-6=4x-4x-2

Answer 5

8x-4x is 4x, so the left hand side should be "4x-6"
4x-4x is 0, and we are left with -2.
Line 3 in your equation says that 2 is positive.

Answer 6

ooooh! i see it now thanks so much

Answer 7

and if you continue on with that
4x-6=-2, which becomes 4x=4 and you can work out the rest c: