-u-9=-2u

Simple and best practice solution for -u-9=-2u 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 -u-9=-2u equation:


Simplifying
-1u + -9 = -2u

Reorder the terms:
-9 + -1u = -2u

Solving
-9 + -1u = -2u

Solving for variable 'u'.

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

Add '2u' to each side of the equation.
-9 + -1u + 2u = -2u + 2u

Combine like terms: -1u + 2u = 1u
-9 + 1u = -2u + 2u

Combine like terms: -2u + 2u = 0
-9 + 1u = 0

Add '9' to each side of the equation.
-9 + 9 + 1u = 0 + 9

Combine like terms: -9 + 9 = 0
0 + 1u = 0 + 9
1u = 0 + 9

Combine like terms: 0 + 9 = 9
1u = 9

Divide each side by '1'.
u = 9

Simplifying
u = 9

See similar equations:

| 10x-15=13x-20 | | 3(3x+9)=11x-3 | | 3y=-9+2y | | X^2-3x+2k=0 | | 13x+10=15x-16 | | -2x-3(4+5x)=-63 | | 25x^2-100x+100= | | 6m+10=8m | | 7x+4(-3x)(-12)=8 | | -10k+20=13k-18-8 | | 16(6x-24)=x-4 | | 11x-5=6x+25 | | 3g+3W=300 | | 24-4x=3(x+1) | | 65=5(4x+1) | | 7p-4+12p=-15+3p | | 8w+4=8w | | 8x^2-4x= | | P=2-2q | | 52=w-8 | | -11+9t=11-4t+17 | | 3y+y+20=7y+20-5y | | 4K-23=-5(7k-11) | | 4(3-x)+5(x-6)=x | | 6p-5+7p=47 | | 6a-3(a+2)=1/2(a+8) | | 16p-4=-15 | | 4K-23=-5(7k+11) | | 2c+(3c-4)=5c-4 | | -2w-18w-9=-18w+5 | | 7c-4=31 | | 18-6a=-1a-12 |

Equations solver categories