Question

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a)3÷(x-6,809)=1.5

b)12,36-(2,5+x)=1,3​

Answer 1

Răspuns:

Explicație pas cu pas:

a)3:(x-6,809) = 1,5 <=>

1,5·(x-6,809) = 3  =>

x-6,809 = 3:1,5

x-6,809 = 2

x = 2+6,809

x = 8,809

b) 12,36-(2,5+x) = 1,3​

12,36-1,3 = 2,5+x =>

11,06 = 2,5+x =>

x = 11,06-2,5 =>

x = 8,56

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