(1 - 7/10)x =2 1/4 , 0,3x=2,25, x=7,5
(3 1/8 + 1 3/4)x = 2 1/6, 8/ 39x=13/6, x=4/9
(1/4+1/5)x = 1 4/5 , 1,75x=1,8, 9/20x=9/5, x=4(2 1/12 - 1 5/6)x = 3/4, -9/12x=3/4/ x=1
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Answers & Comments
(1 - 7/10)x =2 1/4 , 0,3x=2,25, x=7,5
(3 1/8 + 1 3/4)x = 2 1/6, 8/ 39x=13/6, x=4/9
(1/4+1/5)x = 1 4/5 , 1,75x=1,8, 9/20x=9/5, x=4
(2 1/12 - 1 5/6)x = 3/4, -9/12x=3/4/ x=1