Question

решите уравнение плиз

Answer 1

(7/8-1/5)*x=8,1
((4*7-8)/40)*x=8,1
(20/40)*x=8,1
(1/2)x=8,1
x=16,2
(4- 2 3/7)*x=2 5/14
1 4/7x=2 5/14
11/7x=33/14
X=33/14*7/11
x=3/2
x=1 1/2