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Afla :
a+(ax3)-16=24


Răspuns :

a + 3a- 16= 24
4a - 16= 24
4a= 24+16
4a = 40
a=10
a+(a×3)-16=24
a+(a×3)=24+16
a+(a×3)=40
a×4=40
a=40÷4