Question

Am nevoie de 10 ecuatii clasa a 6 + rezolvate urgent pls dau coroana​

Answer 1

Răspuns:

x+7=20

x=20-7

x=13

x+9=15

x=15-9

x=6

61=x-25

x-25=61

x=61+25

x=86

30=5x

x=30:5

x=6

x:3=10

x=10*3

x=30

5x+4=34

5x=34-4

5x=30
x=30:5

x=6

2(x-7)=14

x-7=14:2

x-7=7

x=7+7

x=14

4x-11=-3x+17

4x+3x=17+11

7x=28

x=28:7

x=4

6x-6=x+4

6x-x=4+6

5x=10

x=10:5

x=2

5x+9=24

5x=24-9

5x=15

x=15:5

x=3