Question

(b*4+20):2=54




vă rog ajutatima dau coroana​

Answer 1

Răspuns:

(b*4+20):2=54

4b+20=54*2

4b=108-20

4b=88

b=22

Answer 2

Răspuns:

b =22

Explicație pas cu pas:

(b ×4 +20):2 =54

(b ×`4)+20 =54 ×2

(b ×4) +20 =108

b ×4 =108 - 20

b ×4 =88

b =88 :4

b =22