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X+9=25 12*x=72
9*x=144
15+x=27
X-14=53
X-17=73
14-x=6
42-x=6

Răspuns :

Cosmin2412004
x+9=25
x=16

12x=72
x=6

9x=144
x=16

15+x=27
x=12

x-14=53
x=67

x-17=73
x=90

14-x=6
x=8

42-x=6
x=36

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