Question

solução das equações x/2 = 1 , x/2-7x=0 , 4x/2-9x=0 , sendo u = r

Answer 1

x/2 = 1 --->x = 2 x/2-7x=0----mmc = 2x - 14x = 0 ---> - 13x =0 ---> 13x = 0 --->x =0/13 ---> x = 0
(4x)/2-9x=0 ---mmc = 24x - 18x = 0 --->- 14x = 0 ---. x = 0