3u=-21

Simple and best practice solution for 3u=-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=-21 equation: 


Simplifying
3u = -21

Solving
3u = -21

Solving for variable 'u'.

Move all terms containing u to the left, all other terms to the right.

Divide each side by '3'.
u = -7

Simplifying
u = -7

See similar equations:

| 2x=5x+7 | | 6(15-6x)+11(4x-8)=25 | | -28=-14v | | 4(2x+3)=7(x+2) | | 48km=miles | | -18+x=x+27 | | 2(x-5)=x-6 | | -9v=-27 | | 8x-36=5x-21 | | 4x^2-100=-50 | | 7x+2=2(x+1) | | 0=9x^2+18x-7 | | 10x^3+5x^2=0 | | 0=-12x-3x^2 | | 3x*2+3x-7=0 | | log125/log5 | | 4y-7+y+45=8y+40-5y | | lg125/lg5 | | Logb(a)=D | | 3x+8=6x+6 | | 3q(q-7)=27 | | 4n^4-6n=O(n^2) | | 3y-1/3=1/5 | | 0.7/0.3 | | 1-(100/x)=.285 | | t*6-3=12 | | 1(.2+c)=3.5 | | a*5+8=1 | | 6q^2-4q=5q^2-9q+36 | | 1(.2+3)=3.5 | | 8m^2+4=-151 | | 4x-3x-x=x-5 |

Equations solver categories