HELP ME 10 PEMDAS QUESTIONS FOR 22 POINTS!

SIMPLIFY EACH EXPRESSION BELOW BY COMBINING LIKE TERMS

6) 12X+3X-6-7F

7) 14x+7-3x

8)13z+6u+8x+19-u

9)3z+6+4z+9+8u

10)2x+8z+13u+6z+4u

11)14y+13x+12y+19x+4

12)5x+18+13y+12x+8y

14)3t+v-t+7v

15)-1+18x-3y+x+9y

16)4x+5xto the power of2+5x+10xto the power of2

4)14x+7+4



PLEASE HELP!