Question

x/10 - 2x/20 = 10x - 8/2

Answer 1

x/10-2x/20= 10x-8/2

m.m.c(10,20)
10, 20 | 2
5, 10 | 2
5, 5 | 5
1, 1
m.m.c(10,20)= 2*2*5=20

2x-2x= 200x - 80
0-200x = -80
-200x= -80x(-1)
200x = 80
x= 80/200
x= 8/20
x= 2/5