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Nicolici6
a fost răspuns

determinati nr natural x care verifica egalitatea 2*(3x +2)-22=5*(x+1)+48

Răspuns :

Cristescudennis
2*(3x+2)-22=5*(x+1)+48
6x+4-22=5x+5+48
x+4=5+48+22
x=5+48+22-4
x=53+18
x=71
v:2*(3*71+2)-22=5*(71+1)+48
2*(213+2)-22=5*(71+1)+48
426+4-22=355+5+48
430-22=360+48
408=408(Adevarat)
Deci x = 71 .



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