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Top4iklife
@Top4iklife
July 2022
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помогите решить уравнения:
a)-5(-6-6x)-x=-2
б)-9х+4(7+2х)=-7х-7
в)4-(7+7х)-3х=4
г)3х+3(5-6х)=-4х-7
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ручка39
А) 30+30х-х=-2
30+29х=-2
29х=-2-30
29х=-32
х= 32/29 или 1 целая 3/29
б)-9х+28+8х=-7х-7
-х+28+8х=-7х-7
-х+7х=-7-28
6х=-35
х=-35/6 или -5 целых 5/6
в)-7-7х-3х=0
-7-10х=0
-10х=7
х=-7/10 или -0,7
г) 3х+15-18х=-11
-15х+15=-11
-15х=-11-15
-15х=-26
х=26/15 или 1 целая 11/15
/- дробь
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Answers & Comments
30+29х=-2
29х=-2-30
29х=-32
х= 32/29 или 1 целая 3/29
б)-9х+28+8х=-7х-7
-х+28+8х=-7х-7
-х+7х=-7-28
6х=-35
х=-35/6 или -5 целых 5/6
в)-7-7х-3х=0
-7-10х=0
-10х=7
х=-7/10 или -0,7
г) 3х+15-18х=-11
-15х+15=-11
-15х=-11-15
-15х=-26
х=26/15 или 1 целая 11/15
/- дробь