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sasazinovina20
@sasazinovina20
July 2022
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Решите уравнение (x+45)-15=34 (x-56)-24=17 (x-27)+35=81 478-(256+x)=143 659-(354-x)=427 791 -(x-298)=683
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by789
(x+45)-15=34
x+45=34+15
x=49-45
x=4
(x-56)-24=17
x-56=17+24
x=41+56
x=97
(x-27)+35=81
x-27=81-35
x=46+27
x=73
478-(256+x)=143
-256-x=143-478
-x=-335+256
x=79
659-(354-x)=427
-354+x=427-659
x=-232+354
x=122
791-(x-298)=683
-x+298=683-791
-x=-108-298
x=406
18 votes
Thanks 30
sasazinovina20
Спасибо большое очень помог(ла)
МаДиНа0305
1)(х+45)-15=34
х+45-15=34
х=34-45+15
х=4
ответ:4
2)(х-56)-24=17
х-56-24=17
х=17+56+24
х=97
ответ:97
3)(х-27)+35=81
х-27+35=81
х=81+27-35
х=73
ответ:73
4)478-(256+х)=143
478-256-х=143
-х=143-478+256
-х=-79
х=-79:(-1)
х=79
ответ:79
5)659-(354-х)=427
659-354+х=427
х=427-659+354
х=122
ответ:122
6)791-(х-298)=683
791-х+298=683
-х=683-791-298
-х=-406
х=-406:(-1)
х=406
ответ:406
7 votes
Thanks 20
sasazinovina20
Спасибо большое
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Answers & Comments
x+45=34+15
x=49-45
x=4
(x-56)-24=17
x-56=17+24
x=41+56
x=97
(x-27)+35=81
x-27=81-35
x=46+27
x=73
478-(256+x)=143
-256-x=143-478
-x=-335+256
x=79
659-(354-x)=427
-354+x=427-659
x=-232+354
x=122
791-(x-298)=683
-x+298=683-791
-x=-108-298
x=406
х+45-15=34
х=34-45+15
х=4
ответ:4
2)(х-56)-24=17
х-56-24=17
х=17+56+24
х=97
ответ:97
3)(х-27)+35=81
х-27+35=81
х=81+27-35
х=73
ответ:73
4)478-(256+х)=143
478-256-х=143
-х=143-478+256
-х=-79
х=-79:(-1)
х=79
ответ:79
5)659-(354-х)=427
659-354+х=427
х=427-659+354
х=122
ответ:122
6)791-(х-298)=683
791-х+298=683
-х=683-791-298
-х=-406
х=-406:(-1)
х=406
ответ:406