Срочно нужна помощь 609:(4х+2+15х) = 29 ; 2795 :(36х+20-13х)=65; 4312:(29х-16х-7...

djein2007 @djein2007

August 2022 1 8 Report

Срочно нужна помощь 609:(4х+2+15х) = 29 ; 2795 :(36х+20-13х)=65; 4312:(29х-16х-79)=56; 15(9х-23)+108=1383; 18(10х-11)-99 =2763; 1253-20(12х-19)=913; 22(81-8х)+126=676

Answers & Comments

uzbechka61 609:(4х+2+15х)=29
609:(19х+2)=29
19х+2=609:29
19х+2=21
19х=21-2
19х=19
х=19:19
х=1

2795:(36х+20-13х)=65
2795:(23х+20)=65
23х+20=2795:65
23х+20=43
23х=43-20
23х=23
х=23:23
х=1

4312:(29х-16х-79)=56
4312:(13х-79)=56
13х-79=4312:56
13х-79=77
13х=77+79
13х=156
х= 156:13
х=12

15(9х-23)+108=1383
15(9х-23)=1383-108
15(9х-23)= 1275
9х-23=1275:15
9х-23=85
9х=85+23
9х=108
х=108:9
х=12

18(10х-11)-99=2763
18(10х-11)= 2763+99
18(10х-11)=2862
10х-11=2664:18
10х-11=159
10х=159+11
10х=170
х=170:10
х=17

1253-20(12х-19)=913
20(12х-19)=1253-913
20(12х-19)=340
12х-19=340:20
12х-19=17
12х=17+19
12х=36
х=36:12
х=3

22(81-8х)+126=676
22(81-8х)=676-126
22(81-8х)=550
81-8х=550:22
81-8х=25
8х=81-25
8х=56
х=56:8
х=7

4 votes Thanks 5

djein2007 Огромное спасибо!)))

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