Question

Решите уравнения:
(1)9/16-х=1/2 (2)х+2/3=7/8 (3)1/2+х=23/14 (4)х-3/8=1/4

Answer 1

1) 9/16-x=1/2;
-x=1/2-9/16;
16x=-8+9; 
16x=1;
x=1/16; 
2) x+2/3=7/8; 
24x=21-16;
24x=5; 
x=5/24
3)1/2+x=23/14;
14x=23-7;
14x=16;
x=$1frac{1}{7}$
4)x-3/8=1/4;
8x=3+2; 
8x=5
x=5/8