Giuliabadescu60ask
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Răspuns :

5) 8(x-10)=8

x-10=8:8

x-10=1

x=10+1

x=11

6) 10(x-20)=0

x-20=0

x=20

7) 25x+36=23x+48

25x-23x=48-36

2x=12

x=12:2

x=6

8) 37x-19=15x-19

37x-15x= -19+19

22x=0

x=0

Andreea7133ask

Răspuns:

5) 8(x-10)=8 |:8

x-10=1 |+10

x=11

6). 10(x-20)=0 |:10

x-20=0

x=20

7). 25x+36=53x+48

25x-23x=48-36

2x=12

x=6

8). 37x-19=15x-19

37x-15x=-19+19

22x=0

x=0