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]
:)
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]
:)