Rozwiąż równania (proszę tylko o wynik) :
a) 8x - 6 = 5x + 15
b) 4 (x + 2) = 2 (x - 3)
c) 3 (2x - 4) = 2 (x + 7)
d) (16x - 10) : 2 = 2 (x - 3)
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a) x=7
b) x=-7
c)x =6,5
d) -1/6
3x=21/:3
x=7
b
2x=-14/:2
x=-7
c)
4x=26/:4
x=6,5
d)
6x=-1 /:6
x=-1/6