Rozwiąż równania
3x-x=-2x
4x=3x-5
64+2x=44+x
4+3x=2+2x
a)3x-x=-2x 3x-x+2x = 04x = 0 /:4x = 0 b)4x=3x-54x-3x = -5x = -5 c)64+2x=44+x2x - x = 44-64x = -20d)4+3x=2+2x3x - 2x = 2-4x = -2
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a)
3x-x=-2x
3x-x+2x = 0
4x = 0 /:4
x = 0
b)
4x=3x-5
4x-3x = -5
x = -5
c)
64+2x=44+x
2x - x = 44-64
x = -20
d)
4+3x=2+2x
3x - 2x = 2-4
x = -2