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24+5×X+62=126.....ma poate ajuta cineva??
(729+y):2=870

Răspuns :

24+5x+62=126
24+5X=126-62
24+5X=64
5x=64-24
5x=40
x=8
(729+y)/2=870
729+y=870*2
729+y=1740
y=1740-729
y=1011
24+5xX+62=126
24+5xX=126-62=64
5xX=64-24=40
x=40:5
x=8

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