Question

3x-(x+1)/2=18 porfa ayudenme

Answer 1

3x-(x+1)/2=18

-(x+1)/2=18-3x
-(x+1)=2(18-3x)
-x-1=36-6x
-x+6x=36+1
5x=37
x=37/5
Comprobación:

3×37/5-(37/5+1)/2=
111/5-[(37+5)/5]/2=
111/5-(42/5)/2=
111/5-42/10=(222-42)/10=180/10=18