a) 7x = 1+62
7x = 63
x = 63:7
x = 9
b) 6x = 13-1
6x = 12
x = 12:6
x = 2
c) x = 65-59
x = 6
d) x = 3:1/21
x = 63
e) x = 14:2
x = 7
f) 7x = 10+25
7x = 35
x = 35:7
x = 5
g) 8x = 8+88
8x = 96
x = 96:8
x = 12
h) 9x = 2+7
9x = 9
x = 9:9
x = 1
i) x = 84-45
x = 39
j) 5x = 4+51
5x = 55
x = 55:5
x = 11
Liczę na naj <3
