Szczegółowe wyjaśnienie:
a) 97 = 2x -5
2x= 97+5
2x = 102 //:2
x = 51
b) 17 = 11 - 12x
12x = -17 + 11
12x = -6 //:12
x = -1/2
c) 2x - 3 + x = 8
3x - 3 = 8
3x = 3 + 8
3x = 11 //:3
x = 3 2/3
d) 3*5x - 7 = 3
15x - 7 = 3
15x = 7 + 3
15x = 10 //:15
x = 2/3
e) 3x - 2x + 3 = 1
x = -3 + 1
x = -2
