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2x - wiek Tomka
2x-2=3(x-2)
2x-2=3x-6
4=x
Ola ma 4 lata, a Tomek 8
2x - wiek Tomka
3(x - 2) = 2x - 2
3x - 6 = 2x - 2
3x - 2x = 6 - 2
x = 4
2x = 8
Tomek - 2x
(x-2)*3=2x-2
3x-6=2x-2
3x=2x-2+6
3x=2x-4
3x-2x=4
x=4 <- wiek oli
2*4=8 <- wiek Tomka
Jak coś to pisz na pw. :)