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SunnyDay12
@SunnyDay12
August 2022
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4х+9=4х-9
8а-45=5а+30
Помогите!
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Magnitogorskru
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4х+9=4х-9; 4х-4х=-9-9; 0=-18;////8а-45=5а+30; 8а-5а=30+45;3а=75;А=75:3;А=25
3 votes
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SunnyDay12
То-есть,выражение первое равно нулю или восемнадцати?
Magnitogorskru
Равно нулю или не имеет решения
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4х+9=4х-9; 4х-4х=-9-9; 0=-18;////8а-45=5а+30; 8а-5а=30+45;3а=75;А=75:3;А=25