a) 2x + 3 = 7
2x=4
x=2
b) 4x-7 =9
4x=16
x=4
c) 2x-1=-9
2x=-8
x = -4
e) 3x+14= 23
3x= 9
x=3
f) 4x-3 = -19
4x = -16
x= -4
g) 2x-9 = -17
2x = -8
x= -4
i) 2x+ 5 = 13
2x = 8
x= 4
j) 3x +7 = 16
3x = 9
x= 3
k) 2x -1= x+3
x = 4
m) 4x + 7 = 31
4x = 24
x= 6
n) -2x+ 5 = 11
-2x = 6
x = -3
o) 5x+ 6= -14
5x = -20
x = -4
d) 6x- 5 = 7
6x= 12
x = 2
h) 2x + 13 = 5
2x = -8
x= -4
1) 3x - 2 = x + 6
2x = 8
x = 4
p) -6x + 11 = -25
-6x = -36
x = 6
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sper ca te-am ajutat, dragul meu cacamaca.