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Rog urgent ajutor (20:a+20):6=50:10

Răspuns :

(20:a+20):6=50:10
(20:a+20):6= 5
20:a+20= 5×6
20:a+20= 30
20:a= 30-20
20:a= 10
a= 20:10
a= 2

Răspuns:

a=2

Explicație pas cu pas:

(20:a+20):6=50:10

(20:a+20):6=5

20:a+20=5×6

20:a+20=30

20:a=30-20

20:a=10

a=20:10

a=2

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