Rozwiaz rownania: ale w taki sposob:
5x=3x+8 I-3x
2x=8 I:2
x=4
a)4x-2=3x-5
b)2x+7=5x-8
c)6x-4=3x+9
d)5x-7=7x-15
a) 4x-2=3x-5 | -3x -2
1x=3
x=3
a) 4x-2=3x-5
4x-3x=2-5
x=-3
2x-5x=-7-8
-3x=-15 |: (-3)
x=5
6x-3x=4+9
3x=12 |: 3
5x-7x=7-15
-2x=-21 |: (-2)
x=10,5
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a) 4x-2=3x-5 | -3x -2
1x=3
x=3
a) 4x-2=3x-5
4x-3x=2-5
x=-3
b)2x+7=5x-8
2x-5x=-7-8
-3x=-15 |: (-3)
x=5
c)6x-4=3x+9
6x-3x=4+9
3x=12 |: 3
x=4
d)5x-7=7x-15
5x-7x=7-15
-2x=-21 |: (-2)
x=10,5