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5(2x-7)-3(x-8)=9x-16-2(3x-15)+13

Răspuns :

5(2x-7)-3(x-8)=9x-16-2(3x-15)+13

10x-35-3x+24=9x-16-6x+30+13,

10x-3x-9x+6x=35-24-16+30+13

4x=38, x=38/4=9,5