Question

Se x+3/4-5=x+1, então:
a) x= 6
b) x= 8
c) x= -7
d) x= -9

Answer 1

x+3/4-5=x+1
4x/4+3/4=4x/4+4/4
4x+3=4x+1
4x-4x=-3+1
0×=-2
x=0

Answer 2

x+3/4-5=x+1

4x/3+=4x+4

   x=8