Odpowiedź:
a 7x-6=-6+7 7x+6x=7+6 13x=13|:13 x=1
b 1/3x+2=x|•3 3+6=3x 9=3x 3=x
c -7(2x+1)=4x -7 • 3x=4x -7=4x-3x -7=x
d 8=6(x-1)-4x 8-6=-x-4 2=-5x|(-1) -2=5x|:(-5)
-0,4=x
Chyba git
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Odpowiedź:
a 7x-6=-6+7 7x+6x=7+6 13x=13|:13 x=1
b 1/3x+2=x|•3 3+6=3x 9=3x 3=x
c -7(2x+1)=4x -7 • 3x=4x -7=4x-3x -7=x
d 8=6(x-1)-4x 8-6=-x-4 2=-5x|(-1) -2=5x|:(-5)
-0,4=x
Chyba git