Question 30398
5(2x+3)+(x+1)=0 or 10x+15+x+1=0 or 11x=-16  or x=-16/11

proof: 5(2(-16/11)+3)-16/11+1=0 or 5(-32/11)+15-16/11+1=0 OR 
-160/11+16-16/11=0  OR -160/11+16=0 OR -16+16=0.