If you could please take some time to answer these, thank you! (60 points)
1a. - 8 - 12 =
1b. -½ -½=
1c. -7 + 3 =
1d. 3 - 7 =
1e. 3x + 10x -7x +1 +9 =
1f. - 15 / -3 =
1g - 10/5 =
1h. Simplify - 3( -2x - 5) =
1i. .Simplify -4( 5x + 9) =
1j. Simplify -5 ( x -6) =