1. oblicz
(x-2) + 2x - 3 =5
x-2 + 2x -3 =5
3x= 5 +3+2
3x= 10 |:3
x=3 i jedna trzecia
(x-2)+2x-3=5
x-2+2x-3=5
3x-5=5
3x=5+5
3x=10 /:3
x=3⅓
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x-2 + 2x -3 =5
3x= 5 +3+2
3x= 10 |:3
x=3 i jedna trzecia
(x-2)+2x-3=5
x-2+2x-3=5
3x-5=5
3x=5+5
3x=10 /:3
x=3⅓