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MrsPolyanka
@MrsPolyanka
August 2022
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решите уравнения: а) 64/112 = 2,8/4x-3,1
б) (3/8х) : 14 = 3 : 4 2/3
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asl050185
Verified answer
A) 64 (4x-3,1)=112×2,8
256x-198,4=313,6
256x=313,6+198,4
256x=512
x=512÷256
x=2
b) (3/8x)÷14=3÷14/3
(3/8x)÷14=3×3/14
(3/8x)÷14=9/14
3/8x=9/14×14
3/8x=9
72x=3
x=1/24
11 votes
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Answers & Comments
Verified answer
A) 64 (4x-3,1)=112×2,8256x-198,4=313,6
256x=313,6+198,4
256x=512
x=512÷256
x=2
b) (3/8x)÷14=3÷14/3
(3/8x)÷14=3×3/14
(3/8x)÷14=9/14
3/8x=9/14×14
3/8x=9
72x=3
x=1/24