Question

please help me on these!!
40 points

Answer 1

8) The 4x should have been subtracted from the 8x instead of beating added

9) combine the like terms which are -18x and 5x

Answer 2

Answer:

8: when they added -4x and 8x they didn't carry the negative

9: You add -18x and 5x              -13x - 12 = 1