Aktiviteter 4

4.1)

Løs likningene.

a)
2x + 3 x = 7x + 17
b)
4x + 21 = x 4x + 3
c)
11 + x 4x = 2x + 13 2
d)
11x 4x + 5 = 5x + 12
e)
2x 8 + 5x = 3x + 32
f)
20x 6 8x = 6x + 5 + 7x
g)
34x 12x 42 = 32x 21 + 41
h)
2x + 21 5x = 21 + 52 11x
i)
22x 11 = 11x + 22
j)
32x 23 = 2x + 1 3x

a)
2x + 3 x = 7x + 17
b)
4x + 21 = x 4x + 3
c)
11 + x 4x = 2x + 13 2
d)
11x 4x + 5 = 5x + 12
e)
2x 8 + 5x = 3x + 32
f)
20x 6 8x = 6x + 5 + 7x
g)
34x 12x 42 = 32x 21 + 41
h)
2x + 21 5x = 21 + 52 11x
i)
22x 11 = 11x + 22
j)
32x 23 = 2x + 1 3x

4.2)

Løs likningene.

a)
2x 2 = x + 3
b)
10 4x = 13 17x
c)
3x + 1 + 2x = 0
d)
17x = 12x + 4 + x
e)
0 = x 4
f)
19x 57 = 47 + 17x

a)
2x 2 = x + 3
b)
10 4x = 13 17x
c)
3x + 1 + 2x = 0
d)
17x = 12x + 4 + x
e)
0 = x 4
f)
19x 57 = 47 + 17x

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