PILNE!!!!!!
rozwiaz równania a)3(x-1)+-x b)1-0.2x+0.3x
a) 3(x-1)+(-x)
3x-3-x
2x-3
x=-3/2 = -1 i1/2
b) 1-2/10x + 3/10x
1-5/10x=1/2x
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a) 3(x-1)+(-x)
3x-3-x
2x-3
x=-3/2 = -1 i1/2
b) 1-2/10x + 3/10x
1-5/10x=1/2x