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Oblicz ile wynosi niewiadoma (a+1)-(-8)= -9
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Oblicz ile wynosi niewiadoma (a+1)-(-8)= -9

User Jjungnickel
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1 Answer

4 votes

Explanation:

I don't understand your language but if it's the solution;

(a+1)-(-8)= -9

Remove the parentheses

a+1+8= -9

Collect the like terms

a= -9-8-1

a= -18

User Ksh
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