Question

Реши уравнение (2 1/10-x):8+1 2/15= 1 1/3

Answer 1

(2 1/10-х)÷8+1 2/15=1 1/3
(2 1/10-х)÷8=1 1/3-1 2/15
(2 1/10-х)÷8=1 5/15-1 2/15
(2 1/10-х)÷8=3/15
(2 1/10-х)÷8=1/5
2 1/10-х=1/5×8
2 1/10-х=8/5
2 1/10-х=1 3/5
х=2 1/10-1 3/5
х=2 1/10-1 6/10
х=1 11/10-1 6/10
х=5/10
х=1/2