Question

daca unui nr.ii adauga trema sa obtinem 32. care a fost nr initial.

Answer 1

n + n : 3 = 32

3n + n = 96

4n = 96

n = 24

Answer 2

$x + x \div 3 = 32 | \cdot 3| \\ \\ 3x + x = 96 \\ \\ 4x = 96 \\ \\ x = 96 \div 4 \\ \\ x = 24$

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