January 2019 2 7 Report
Oblicz KROK PO KROKU
a) 2x + 1 = 9 - 2x ile równa się x
b) 3(2x - 5) = 1 - 4x ile równa się x
c) 4(y- 6) - 3y = 2(y - 9) ile równa się y

oblicz tak jak np. tu
4x - 5 = 1 + 3x
4x - 3x = 5 + 1
x = 6
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