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kirsanowdaniil
@kirsanowdaniil
September 2021
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Решите уравнение, желательно сфотографировать
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Ilоna
Verified answer
(4х+1)/3-(7х-12)/2+(3х-8)/4=(9х-114)/6
умножим уравнение на 12
4(4х+1)-6(7х-12)+3(3х-8)=2(9х-114)
16х+4-42х+72+9х-24-18х+228=0
35х=280
х=8
(7х+2)/4+(7-4х)/5-(7х-2)/8=(-12-8х)/2
умножим уравнение на 40
10(7х+2)+8(7-4х)-5(7х-2)+20(12+8х)=0
70х+20+56-32х-35х+10+240+160х=0
163х=-326
х=-2
(8х+12)/3-(4х+1)/5=(7х-12)/2
умножим обе части уравнения на 30
10(8х+12)-6(4х+1)-15(7х-12)=0
80х+120-24х-6-105х+180=0
49х=294
х=6
(5х+27)/2-(19+3х)/4=(20+4х)/9
умножим обе части уравнения на 36
18(5х+27)-9(19+3х)-4(20+4х)=0
90х+486-171-27х-80-16х=0
47х=-235
х=-5
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Answers & Comments
Verified answer
(4х+1)/3-(7х-12)/2+(3х-8)/4=(9х-114)/6умножим уравнение на 12
4(4х+1)-6(7х-12)+3(3х-8)=2(9х-114)
16х+4-42х+72+9х-24-18х+228=0
35х=280
х=8
(7х+2)/4+(7-4х)/5-(7х-2)/8=(-12-8х)/2
умножим уравнение на 40
10(7х+2)+8(7-4х)-5(7х-2)+20(12+8х)=0
70х+20+56-32х-35х+10+240+160х=0
163х=-326
х=-2
(8х+12)/3-(4х+1)/5=(7х-12)/2
умножим обе части уравнения на 30
10(8х+12)-6(4х+1)-15(7х-12)=0
80х+120-24х-6-105х+180=0
49х=294
х=6
(5х+27)/2-(19+3х)/4=(20+4х)/9
умножим обе части уравнения на 36
18(5х+27)-9(19+3х)-4(20+4х)=0
90х+486-171-27х-80-16х=0
47х=-235
х=-5