a/ 864 - x = 320 b/ 3 x x = 6 x 4 c/ x : 5 = 10 x 4
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544
8
200
a) x= 864- 320
x = 544
b) 3 x x = 24
x = 24:3
x = 8
c) x:5= 40
x = 40x5
x = 200