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A.6(x-2)=-14= B.-7(x-3)=21x=

Odpowiedź :

a) 6(x - 2) = -14

6x - 12 = -14 |+12

6x = -2 | 6

x = [tex]-\frac{2}{6}[/tex]

x = [tex]-\frac{1}{3}[/tex]

b) -7(x - 3) = 21x

-7x - 21 = 21x |+7x

-21 = 28x |:28

[tex]-\frac{21}{28} =x[/tex]

[tex]x = -\frac{3}{4}[/tex]

:)