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Ajutati-ma va rog la 20 , dau coroana ! ​

Ajutatima Va Rog La 20 Dau Coroana class=

Răspuns :

a)(x+1)/4=5/6

6(x+1)=5*4

6x+6=20

6x=14

x=14/6=7/3

b)(x-2)/3-1/2=5/6

2(x-2)/6-3/6=5/6

2(x-2)-3/6=5/6 |*6

2(x-2)-3=5

2x-4-3=5

2x-7=5

2x=12

x=12/2

x=6