👤

[12 (10x-11)-128]×10-125=875

Răspuns :

[12(10x-11)-128]=875
[120x-132-128]X10-125=875
[120x-260]x10-125=875
1200x-2600-125=875
1200x-2725=875
1200x-875+2725
1200x=3600
x=3600:1200;    x=3