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сашуля78945
@сашуля78945
July 2022
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СРОЧНО!!!!!!!!!!!!!!!!Решите уравнение 7(4-3х)-(8,5-х)=4-3(х-8)=
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Ксюшенька2304
7(4-3x)-(8,5-x)=4-3(x-8);
28-21x-8,5-x=4-3x+24;
19,5-22x=28-3x;
-22x+3x=28-19,5;
-19x=8,5;
x=8,5÷(-19);
x=8.1/2÷(-19)=17/2÷(-1/19)=-17/38;
x=-17/38.
1 votes
Thanks 1
isom
28-21х-8,5+х=4-3х+24
-21х+х+3х=4+24-28+8,5
-17х=8,5
х=8,5:(-17)
х=-0,5
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Thanks 0
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Answers & Comments
28-21x-8,5-x=4-3x+24;
19,5-22x=28-3x;
-22x+3x=28-19,5;
-19x=8,5;
x=8,5÷(-19);
x=8.1/2÷(-19)=17/2÷(-1/19)=-17/38;
x=-17/38.
-21х+х+3х=4+24-28+8,5
-17х=8,5
х=8,5:(-17)
х=-0,5