2/3X-3/2.(x-1/2)=5/12 Tìm x Giúp mình nha mình vote 5 sao và câu trả lời hay nhất nha 20/08/2021 Bởi Lyla 2/3X-3/2.(x-1/2)=5/12 Tìm x Giúp mình nha mình vote 5 sao và câu trả lời hay nhất nha
Đáp án: `x=2/5` Giải thích các bước giải: `2/3x-3/2.(x-1/2)=5/12``=>2/3x-3/2x+3/2 . 1/2=5/12``=>x.(2/3-3/2)+3/4=5/12``=>x.(4/6-9/4)+3/4=5/12``=>x.(-5)/6+3/4=5/12``=>x.(-5)/6=5/12-3/4``=>x.(-5)/6=5/12-9/12``=>x.(-5)/6=-4/12``=>x=-4/12:(-5)/6``=>x=-4/12.(-6)/5``=>x=2/5`Vậy `x=2/5` Bình luận
`2/3x – 3/2.(x-1/2) = 5/12` `=> 2/3x – 3/2.x + 3/2. 1/2 = 5/12` `=> x. (2/3 – 3/2) + 3/4 = 5/12` `=> x . (4/6 – 9/6) + 3/4 = 5/12` `=> x . (-5)/6 + 3/4 = 5/12` `=> x . (-5)/6 = 5/12 – 3/4` `=> x . (-5)/6 =5/12 – 9/12` `=> x . (-5)/6 = (-1)/3` `=> x = (-1)/3 : (-5)/6` `=> x =(-1)/3 . (-6)/5` `=> x =(6)/15` Bình luận
Đáp án:
`x=2/5`
Giải thích các bước giải:
`2/3x-3/2.(x-1/2)=5/12`
`=>2/3x-3/2x+3/2 . 1/2=5/12`
`=>x.(2/3-3/2)+3/4=5/12`
`=>x.(4/6-9/4)+3/4=5/12`
`=>x.(-5)/6+3/4=5/12`
`=>x.(-5)/6=5/12-3/4`
`=>x.(-5)/6=5/12-9/12`
`=>x.(-5)/6=-4/12`
`=>x=-4/12:(-5)/6`
`=>x=-4/12.(-6)/5`
`=>x=2/5`
Vậy `x=2/5`
`2/3x – 3/2.(x-1/2) = 5/12`
`=> 2/3x – 3/2.x + 3/2. 1/2 = 5/12`
`=> x. (2/3 – 3/2) + 3/4 = 5/12`
`=> x . (4/6 – 9/6) + 3/4 = 5/12`
`=> x . (-5)/6 + 3/4 = 5/12`
`=> x . (-5)/6 = 5/12 – 3/4`
`=> x . (-5)/6 =5/12 – 9/12`
`=> x . (-5)/6 = (-1)/3`
`=> x = (-1)/3 : (-5)/6`
`=> x =(-1)/3 . (-6)/5`
`=> x =(6)/15`