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маша999910
@маша999910
July 2022
2
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задание 2 д)
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piksaeva85znayka
3/4(х+2)+2/3(х-1)=5
3/4х+1 1/2+2/3х-2/3=5
3/4х+2/3х=5-1 1/2+2/3
9/12х+8/12х=5-1 3/6+4/6
17/12х=4 6/6-1 3/6+4/6
1 5/12х=3 7/6
1 5/12х=4 1/6
х=4 1/6÷1 5/12
х=25/6÷17/12
х=25/6×12/17
х=25/1×2/17
х=50/17
х=2 16/17
1 votes
Thanks 2
mironovaana7
3х/4+6/4+2х/3-2/3=5
3х/4+2х/3=5-6/4+2/3
(9х+8)/12=(60-18+8)/12
9х+8=50
9х=50-8
9х=42
х=42/9
х=4 6/9
х=4 2/3
1 votes
Thanks 1
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Answers & Comments
3/4х+1 1/2+2/3х-2/3=5
3/4х+2/3х=5-1 1/2+2/3
9/12х+8/12х=5-1 3/6+4/6
17/12х=4 6/6-1 3/6+4/6
1 5/12х=3 7/6
1 5/12х=4 1/6
х=4 1/6÷1 5/12
х=25/6÷17/12
х=25/6×12/17
х=25/1×2/17
х=50/17
х=2 16/17
3х/4+2х/3=5-6/4+2/3
(9х+8)/12=(60-18+8)/12
9х+8=50
9х=50-8
9х=42
х=42/9
х=4 6/9
х=4 2/3