Question

Resolva

A) X+1/6 = X-2/3

B) X+X/2=X/3+7/3

C) 1/X+3/4=5/2X

D) X/X-1 +1/X-1=5/3

Answer 1

olá bom dia ☺

A) X+1/6 = X-2/3
1/6= -2/3
xE0--->afirmativa falsa

B) X+X/2=X/3+7/3
6x+3x=2x+14
9x=2x+14
9x-2x=14
7x=14
x=14/7
x=2

C) 1/X+3/4=5/2X
1/x=5/2x - 3/4
-3/2x= -3/4
-2x= - 4
2x=4
x=4/2
x=2

D) X/X-1 +1/X-1=5/3
x+1/x-1=5/3
3. (x+1)=5.(x-1)
3x-5x= -5 -3
-2x= -8---->×(-1)
2x=8
x=8/2
x=4