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2010-03-30T15:44:39+02:00
2x=4 /2 x=2
x+3=5 x=5-3 x=2
0=2-x x=2+0 x=2
x\4=1\2 2x=4 / 2 x=2
2010-03-30T15:46:33+02:00
A)2x = 4 /:2
x = 2
b) x + 3 = 5
x = 5 - 3
x = 2
c) x -7 = -5
x = 7 - 5
x = 2
d)0 = 2 - x
x = 2
e)x/4 = 1/4 /*4
x = 2
f)2x = 2 +x
2x - x = 2
x = 2
g)4x = 2 + 3x
x = 2
h)x/2 = 1 /*2
x = 2

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2010-03-30T15:48:43+02:00

a)2x = 4 /:2
x = 2
b) x + 3 = 5
x = 5 - 3
x = 2
c) x -7 = -5
x = 7 - 5
x = 2
d)0 = 2 - x
x = 2
e)x/4 = 1/4 /*4
x = 2
f)2x = 2 +x
2x - x = 2
x = 2
g)4x = 2 + 3x
x = 2
h)x/2 = 1 /*2
x = 2