1.Rozwiąż równania
a) 2x - 3/4 - 1 1/5x = 2/5 - 1/10
b) x/5 - 2/3 + 1 1/2 = x/10 - 3/5 - 2x/3
a)4/5x-3/4=3/10
4/5x=3/10+3/4
4/5x=1 1/20 |:4/5
x=21/20 * 5/4
x=21/16
x=1 5/16
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a)4/5x-3/4=3/10
4/5x=3/10+3/4
4/5x=1 1/20 |:4/5
x=21/20 * 5/4
x=21/16
x=1 5/16