a) 8x-2x-4x = 1-10
2x = -9
x = -4,5
b) -2x+5x-4x = 8-8-8+5
-x = -3
x = 3
c) 7x+8x+2x-5x = 9+7+4-6
12x = 14
x = [tex]\frac{14}{12}[/tex]
d) 4x-5x-6x+8x = -6-8-1+5-2
x = -12
e) -8x+x-2x-2x = 6+2-2
-11x = 6
x = [tex]\frac{-6}{11}[/tex]
f) 4x+5x-6x-2x = 12-7
3x = 5
x = [tex]\frac{5}{3}[/tex]
g) 2x-7x-8x+5x = 10-1+12
-8x = 21
x = [tex]\frac{-21}{8}[/tex]
h) 6x+2x+x-7x+4x = 2+8-5
6x = 5
x = [tex]\frac{5}{6}[/tex]
