X = 82500 nha bạn ủng hộ mik nhé các bạn
8000-500+x=90 000
7500 +x = 90 000
x= 90 000 - 7500
x= 82 500
8000-500+X=90000
=>X=90000-8000+500
=>X= 82500
k nhé
8500-500+x=90000
7500+x=90000
x=90000-7500
x=82500
8000 - 500+ X =90000
7500 + X = 90000
X = 90000 - 7500
X =82500
8000-500+X=90000
X=90000-8000+500
X=82500