Question

(1-7/10)х=2 1/4 как решать

Answer 1

(1-7/10)х=2 1/4; 1х-7/10х=9/4; 10/10х-7/10х=9/4; 3/10х=9/4; Х=9/4*10/3; Х=15/2; Х=7 1/2

Answer 2

(1-7/10)х = 2 1/4
3/10х = 2 1/4
х = 2 1/4 : 3/10 = 9/4 * 10/3 = 3/2 * 5/1 = 15/2 = 7 1/2