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Alinalexandra5
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sa se rezolve N in ecuatia:3*(5x+2)=5(x+6)+26

Răspuns :

Veryfly
3(5x+2)=5(x+6)+26
15x+6=5x+30+26
15x-5x=30+26-6
10x=50
x=50/10
x=5
3(5x+2)=5(x+6)+26
15x+6=5x+30+26
15x-5x=56-6
10x=50
x=50:10
x=5

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