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ecuaciones lineales con una incógnita

Spanish 20 Public

resolver ecuaciones

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x+5=13

8

15

x-12=41

39

15

7x=56

8

15

x/6=13

78

15

2x+4=16

x=6

15

4x-10=34

11

15

x+7=11

4

15

x-12=20

=32

15

11x=132

12

15

x/5=11

55

15

5x+12=47

7

15

x/3+7=17

30

15

x+18=30

12

15

x-21=50

29

15

9x=72

8

15

x/10=3

30

15

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