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2(x+2)=4(0,5x+8)
2x +4 = 2x + 32 / - 2x
2x - 2x = 32 - 4
0 = 28 ---> równanie sprzeczne
b)
2x+5=14+x-3 / -x
x + 5 = 11
x = 11 - 5
x = 6
c)
3(x+1)=5(x-1)+2
3x + 3 = 5x - 5 +2 / -5x
-2x + 3 = -3
-2x = -3 - 3
-2x = -6 / :(-2)
x = 3