👤
a fost răspuns

Rezolvati in Z ecuatiile: a)-105x+205=-5x-195
b)64x:(-8)=16

Răspuns :

Florinavoicu11
a) -105x+5x=-195-205 -100x=-400 -x=-4 X=4 b) 8x=16 X=2
HyperCoder
a)-105x+205=-5x-195
    -105x + 5x = -195 - 205
    -100x = -400 |·(-1)
     100x = 400
     x = 400/100
     => x = 4

b)64x:(-8)=16
   -8x = 16
   x = 16/(-8)
   x = -2

Alte intrebari