February 2019 0 31 Report
Równania - zrób sprawdzenie.
a)  \frac{4x+7}{2} -  \frac{5x-1}{6} = x + 5 /x 6
3(4x + 7) - (5x - 1) = 6x + 30
12x + 21 - 5x + 1 = 6x + 30
7x + 22 = 6x + 30 /-6x
x + 22 = 30 /-22
x=8

Sprawdzenie:
L=
P=
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