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ajutati-ma va rog rogg frumoss la toate dau 15 de puncte si coroana la primul care îmi spune.!!!!

Ajutatima Va Rog Rogg Frumoss La Toate Dau 15 De Puncte Si Coroana La Primul Care Îmi Spune class=

Răspuns :

5x+2=22
5x=22-2
5x=20
x=4

3x-1=170
3x=170+1
3x=171
x=171/3
x=57

19+7x=89
7x=89-19
7x=70
x=10

15x+3=378
15x=378-3
15x=375
x=375/15
x=25

4x-15=69
4x=69+15
4x=84
x=84/4
x=21

2x-17=13
2x=13+17
2x=30
x=30/2
x=15

3x-13=17
3x=17+13
3x=30
x=30/3
x=10

14x-5=79
14x=79+5
14x=84
x=6

20x-5=35
20x=35+5
20x=40
x=40/20
x=2

30x+15=375
30x=375-15
30x=360
x=12

12x-125=139
12x=139+125
12x=264
x=264/12
x=22

453+6x=531
6x=531-453
6x=78
x=78/6
x=13

1251+101x=2160
101x=2160-1251
101x=909
x=909/101
x=9

431x-2031=8744
431x=8744+2031
431x=10775
x=10775/431
x=25

221x+721=2931
221x=2931-721
221x=2210
x=2210/221
x=10

Punctul 24
2x=10
x=10/2
x=5

3x=27
x=27/3
x=9

15x=30
x=30/15
x=2

20x=100
x=100/20
x=5

14x=196
x=196/14
x=14

21x=105
x=105/21
x=5

12x=180
x=180/12
x=15

125x=0
x=0/125
x=0