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Arbejdsark: Ligninger

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Ligninger
Niveau 3 · Parenteser og brøker
Løs ligningerne.
1.
5(x−9)=−405(x - 9) = -40
x=x =
2.
3(x+3)=333(x + 3) = 33
x=x =
3.
6(x−2)=426(x - 2) = 42
x=x =
4.
6(x−2)=3(x+3)6(x - 2) = 3(x + 3)
x=x =
5.
4(x−4)=2(x−8)4(x - 4) = 2(x - 8)
x=x =
6.
7(x−2)=2(x−7)7(x - 2) = 2(x - 7)
x=x =
7.
x3+2=6\frac{x}{3} + 2 = 6
x=x =
8.
x7−3=−6\frac{x}{7} - 3 = -6
x=x =
9.
x+96=x−13\frac{x + 9}{6} = \frac{x - 1}{3}
x=x =
10.
x+12=x−24\frac{x + 1}{2} = \frac{x - 2}{4}
x=x =
Facitliste
Ligninger · Niveau 3 · Parenteser og brøker
1.x=1x = 1
2.x=8x = 8
3.x=9x = 9
4.x=7x = 7
5.x=0x = 0
6.x=0x = 0
7.x=12x = 12
8.x=−21x = -21
9.x=11x = 11
10.x=−4x = -4