Răspuns :
Răspuns:
Explicație pas cu pas:
4x - 8 = 0
4x = 8
x = 2
S = {2}
_______________
x + 5 = 0
x = -5
S = {-5}
________________
3x - 15 = 0
3x = 15
x = 5
S = {5}
_______________
2x + 10 = 0
2x = -10
x = -5
S = {-5}
______________
11x - 22 = 0
11x = 22
x = 2
S = {2}
________________
10x + 30 = 0
10x = -30
x = -3
S = {-3}
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5x - 25 = 0
5x = 25
x = 5
S = {5}
_______________
12x + 36 = 0
12x = -36
x = -3
S = {-3}
_______________
7x - 49 = 0
7x = 49
x = 7
S = {7}