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ВАLерия155
@ВАLерия155
July 2022
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Решите уравнения:
2 (11х-5)-17х=55 5 (8х+3)-12=83
7(2х+9)+3х=114 3 (4х+13)-25=74
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Toshaxgod
2(11х-5)-17х=55 5(8х+3)-12=83
22х-10-17х=55 40х+15-12=83
5х=65 40х=80
х=13 х=2
7(2х+9)+3х=114 3(4х+13)-25=74
14х+63+3х=114 12х+39-25=74
17х=51 12х=60
х=3 х=5
1 votes
Thanks 4
Frp13
22x-10-17x=55
22x-17x=10+55
39x=65
X=65:39
X= (одна целая и двадцать шесть тридцать девятых)
(8x+3)-12=83
8x+3-12=83
8x=-3+12+83
8x=92
X=92:8
X=11,5
7(2x+9)+3x=114
14x+63+3x=114
14x+3x=114-63
17x=51
X=51:17
X=3
(4x+13)-25=74
4x+13-25=74
4x=-13+25+74
4x=86
X=86:4
X=21,5
0 votes
Thanks 3
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Answers & Comments
22х-10-17х=55 40х+15-12=83
5х=65 40х=80
х=13 х=2
7(2х+9)+3х=114 3(4х+13)-25=74
14х+63+3х=114 12х+39-25=74
17х=51 12х=60
х=3 х=5
22x-17x=10+55
39x=65
X=65:39
X= (одна целая и двадцать шесть тридцать девятых)
(8x+3)-12=83
8x+3-12=83
8x=-3+12+83
8x=92
X=92:8
X=11,5
7(2x+9)+3x=114
14x+63+3x=114
14x+3x=114-63
17x=51
X=51:17
X=3
(4x+13)-25=74
4x+13-25=74
4x=-13+25+74
4x=86
X=86:4
X=21,5