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a) 2 x + 1 = 8 − 6 : 2
c) 2.(3.x + 2 ) − 15 = 37
e) 2 . (x − 1) − 2 = 12
1 5 1

g )  2 x − . =
2 3 2

i ) 3 x + 4 : 2 = 32 : (3 − 1)
k) x +
5
1
= 3x −
2
5
2
= 12
3
d ) 3 + 2x = 7
f ) 2 x + 3 x − 5 − x = 2 + 10 : 2
b) 0,5 x −
h)
(1,2 + 3x ) : 0,1 = 105
j) 2 + 4x + 3 = 7 x + 2
l) 2 +
1
x=x
2