If it's not what You are looking for type in the equation solver your own equation and let us solve it.
3+6u=-6u-9
We move all terms to the left:
3+6u-(-6u-9)=0
We get rid of parentheses
6u+6u+9+3=0
We add all the numbers together, and all the variables
12u+12=0
We move all terms containing u to the left, all other terms to the right
12u=-12
u=-12/12
u=-1
| -u/5=-51 | | 3x+2=-2-8 | | 10+6b=4b | | 2y-+8=14 | | 9x+(-4x)+3x= | | -82=6(1+2x)-4 | | -2d-7=-3d | | 31=-2(x-4) | | 2u/3=14 | | 1/×+1/×=1/x | | 90(4x+6)=136 | | 1/x^2+1/x^2=1/x | | 95=-5(7v+2) | | b+b3/2+(b+45)+(2b+90)+90=540 | | 7/3y=28 | | 7(3k+5)+4k=235 | | 29/7x+3/4+3/2=449/84 | | 2/3m-2/5m=4 | | -0.36x=12.6 | | 0.9+3=x | | “Y”=3y+45y-3 | | 2+x/4=6x/12 | | -199=-6(1-6n)-5 | | y²-81=0 | | 0=4x+3-x-4 | | x=56∘ | | 2x-x/x=4x-x/x | | 6(2y−2)=36 | | x+34∘=90∘x=56∘ | | 1-3x=-5(1x+1)+14 | | 2/14=x/35 | | (9x)+(x)-(5x)=6x5 |