Răspuns :
x-75+150-90+25=260/-25
x-75+150-90=235/+90
x-75+150=325/-150
x-75=175/+75
x=250
Răspuns:
X-75+150-90=235
X-75+150=325
X-75=157
X=157+75
X=232
x-75+150-90+25=260/-25
x-75+150-90=235/+90
x-75+150=325/-150
x-75=175/+75
x=250
Răspuns:
X-75+150-90=235
X-75+150=325
X-75=157
X=157+75
X=232