1.- 3/7 + 2/5 -(16/8)x=-0.4
X= -3

2.- 15-17+33x-9x=118
X= 5

3.- ((9/5)(5/8))x + (2/3)x +54=57.7
X= -4

4.- (18/7)/((17/5)(8/9))x +19=5884/52
X= 2

5.- (22/16)-17/9+33x-67-6x=-121.5
X = -2

6.- 23x-185x+215x-13+44=322
X= 7

7.- 42/15 + 33/9 -28x =-223.3
X= 8

8.- (25/4)(6/9) + 1/2-16x-89+46=-8592/72
x= -5

9.- ((24/5)/(19/7))x +13x-157x+79=1281.3
X= 7

10.- ((156/37)/(456/89))x +23x-179=-179
X= 0