Răspuns :
1250:(4x+25)=10
4x+25=1250:10
4x+25=125
4x=125-25
4x=100
x=100:4
x=25
v:1250:(4×25+25)=1250:(100+25)=1250:125=10
4x+25=1250:10
4x+25=125
4x=125-25
4x=100
x=100:4
x=25
v:1250:(4×25+25)=1250:(100+25)=1250:125=10