Prosze ułozyc rownanie którego wynikiem bedzie 1900
x = 1900
x - 100 = 1900 - 100
x - 100 = 1800
2(x - 100) = 2 * 1800
odp. 2x - 200 = 3600
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x = 1900
x - 100 = 1900 - 100
x - 100 = 1800
2(x - 100) = 2 * 1800
odp. 2x - 200 = 3600