3u-u-8=0

Simple and best practice solution for 3u-u-8=0 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-u-8=0 equation:


Simplifying
3u + -1u + -8 = 0

Reorder the terms:
-8 + 3u + -1u = 0

Combine like terms: 3u + -1u = 2u
-8 + 2u = 0

Solving
-8 + 2u = 0

Solving for variable 'u'.

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

Add '8' to each side of the equation.
-8 + 8 + 2u = 0 + 8

Combine like terms: -8 + 8 = 0
0 + 2u = 0 + 8
2u = 0 + 8

Combine like terms: 0 + 8 = 8
2u = 8

Divide each side by '2'.
u = 4

Simplifying
u = 4

See similar equations:

| 4.1x+1.4-5.1x=6.6 | | 4(2.2d-1)-0.8d=23 | | 3(a+10)=8[a-(7-a)] | | 14-2w=18w-26 | | 3y-4=-4+29 | | q^2-8q=40 | | 36a^3-15a^2+84a-35=0 | | 30-5(p-10)=11p | | -9-3y=19+y | | x^2+4x-77=0 | | 123=9y+4-7y | | -8(3a-5)=56a | | 4x^2-3x-1=0 | | K=10.5+-1.5k | | -4w=10 | | -9x=-36 | | -8=-0.5714z | | K=1.5(7-k) | | 4-5+2=x+3 | | -6w=27 | | 4y-23=3y-16 | | -7(x-6)=-8x+39 | | 4x^2+7x-57=y | | 108=-5x-4(-3x-5) | | 11+12-3=3d+7-4d | | 4+12-6=5+2n-18 | | m+4(3+7m)=3m+38 | | 108=-4x-4(-3x-5) | | -3c+6+5c=-2c+6 | | x=4y-23 | | 12y=-1 | | 4r-8=-8(1+3r) |

Equations solver categories