8*(320- x)=320 (x+35); 22=35 3726;(16+x)=207 oblicz liczbe x
8*(320-x)=320
2560-8x=320
-8x=320-2560
-8x=-2240/:(-8)
x=280
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8*(320-x)=320
2560-8x=320
-8x=320-2560
-8x=-2240/:(-8)
x=280