2(x+3)+1(1+x)=-100x

Solution for 2(x+3)+1(1+x)=-100x equation:

2(x+3)+1(1+x)=-100x

We simplify the equation to the form, which is simple to understand 
2(x+3)+1(1+x)=-100x

Reorder the terms in parentheses
+(+2x+6)+1*(1+x)=-100x

Remove unnecessary parentheses
+2x+6+1+*(+1+x+)=-100x

Reorder the terms in parentheses
+2x+6+(+1+1x)=-100x

Remove unnecessary parentheses
+2x+6+1+1x=-100x

We move all terms containing x to the left and all other terms to the right. 
+2x+1x+100x=-6-1

We simplify left and right side of the equation. 
+103x=-7

We divide both sides of the equation by 103 to get x. 
x=-0.0679611650485