-3u+(-6)=21

Simple and best practice solution for -3u+(-6)=21 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for -3u+(-6)=21 equation:


-3u+(-6)=21

We simplify the equation to the form, which is simple to understand 
-3u+(-6)=21

Remove unnecessary parentheses
-3u-6=+21

We move all terms containing u to the left and all other terms to the right. 
-3u=+21+6

We simplify left and right side of the equation. 
-3u=+27

We divide both sides of the equation by -3 to get u. 
u=-9

See similar equations:

| y-8=2(x-1) | | -2c-7=-5 | | 5y=2y+18 | | -2c+7=27 | | 8(u+2)=-3u+5 | | -3=-2x-46 | | y-180=5(x-20) | | 7x+3=2x+12 | | y-55=5(x-10) | | 5y^2=40 | | y-60=-9(x-20) | | 950000000=104(x)-207474 | | 4r^2=36r | | 3(x-12)= | | 3x^2+x=24 | | 6+2x(x-3)=2x^2 | | -2a-(-9)=23 | | 3(x+12)= | | -3(x+12)= | | (x-1)(x-3)(x+2)(x+4)+24= | | (x)(2x^2+9x+10)= | | 5+2(k+4)=5(k+3)+10 | | 9x^2+2x^3= | | 9x(x)= | | 9x^2+2X^3+10X= | | (2x^2)(x)= | | 2b-4=-18 | | (10+9x+2X^2)(x)= | | (x+2)(2x+5)= | | 5(x-7)-3(x-2)=0 | | 6(3z-1)-5(z+2)=6(z+1) | | 2b+(-7)=-21 |

Equations solver categories