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[(x-10)÷4+13]x6+86=140 ​

Răspuns :

Explicație pas cu pas:

(x-10)÷4+13]x6+86=140

(x-10)÷4+13]x6=140 - 86

(x-10)÷4+13]x6= 54

(x-10)÷4+13]= 54:6

(x-10)÷4+13]= 9

(x-10)÷4= 9 -13

(x-10)÷4= -4

×-10=-4×4

×-10= -16

× = -16 +10

×= -6