Hej!
a)
-3x = 93
x = 93 : (-3)
x = -31
b)
2x + 5 = 85
2x = 85 - 5
2x = 80
x = 80 : 2
x = 40
c)
(x + 7)/3 = 32
x + 7 = 32 * 3
x + 7 = 96
x = 96 - 7
x = 89
d)
y - 5⅓ = 2⅓
y = 2⅓ + 5½
y = 7⅔
e)
-x - 3 = 3
-x = 3 + 3
-x = 6
x = 6 : (-1)
x = -6
Pozdrawiam! - Julka