2x+1=3

2x-2 = 0

2x = 2

x = 1

14-x=16

-x-2 = 0

x+2 = 0

x = -2

46÷x=8

x=46÷8

х=5,75

144÷(5x-3)-2=10

5x-3-2=144÷10

5x-3-2=14,4

5x=14,4+3+2

5x=19,4

x=19,4/5

х=3,88