Răspuns :
(15•(10x-11)-120)•10=150|÷10
15•(10x-11)-120=15|+120
15•(10x-11)=135|÷15
10x-11=9|+11
10x=20|÷10
x=2
15•(10x-11)-120=15|+120
15•(10x-11)=135|÷15
10x-11=9|+11
10x=20|÷10
x=2
(15*10x-15*11)-120*10-125=25
150x-165-1200-125=25
150x-165-1075=25
150x-1240=25
150x=25+1240
150x=1265
x=1265:150
x=8,4 Nu stiu daca e bine dar sper ca te-am ajutat
150x-165-1200-125=25
150x-165-1075=25
150x-1240=25
150x=25+1240
150x=1265
x=1265:150
x=8,4 Nu stiu daca e bine dar sper ca te-am ajutat