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Daniil2263
@Daniil2263
July 2022
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Помогите упростить!! 7 класс!
6.
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Necromastery
(2x+5)/4+x/12-x/3=1.5 |×12;
3(2x+5)+x-4x=18;
6x+15-3x=18;
3x=3;
x=1;
7) (x+3)/2-(5+x)/5=x+4 |*10;
5x+15-10-2x=10x+40;
-7x=35;
x=-5;
8) 2x/7 -x/14=3 | ×14;
4x-x=42;
x=14.
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Answers & Comments
3(2x+5)+x-4x=18;
6x+15-3x=18;
3x=3;
x=1;
7) (x+3)/2-(5+x)/5=x+4 |*10;
5x+15-10-2x=10x+40;
-7x=35;
x=-5;
8) 2x/7 -x/14=3 | ×14;
4x-x=42;
x=14.
7)
8)