Решите уравнения: 3-x/5=x x+4/4-x/3=3 x+2-x/2=0 x+4/2-x=9 x+2/6-x/7=2

Question

Решите уравнения:
3-x/5=x
x+4/4-x/3=3
x+2-x/2=0
x+4/2-x=9
x+2/6-x/7=2

Answer 1

Х+х/5=3;
6х/5=3;
6х=15;
х=5/2;

х+1-х/3=3;
х-х/3=2;
2х/3=2;
2х=6;
х=3.

х-х/2=-2;
х/2=-2;
х= - 4

х-х/7=2-2/6=5/3;
6х/7=5/3;
18х=35;
х=35/18

Answer 2

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