12-2u+9u=45

Simple and best practice solution for 12-2u+9u=45 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 12-2u+9u=45 equation: 


Simplifying
12 + -2u + 9u = 45

Combine like terms: -2u + 9u = 7u
12 + 7u = 45

Solving
12 + 7u = 45

Solving for variable 'u'.

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

Add '-12' to each side of the equation.
12 + -12 + 7u = 45 + -12

Combine like terms: 12 + -12 = 0
0 + 7u = 45 + -12
7u = 45 + -12

Combine like terms: 45 + -12 = 33
7u = 33

Divide each side by '7'.
u = 4.714285714

Simplifying
u = 4.714285714

See similar equations:

| 1x=5-3x+9 | | 9=25w-13w | | 2x^2-3=3x-4 | | y+14=33 | | X-48/40=4 | | x+2+4x-16= | | -3(-8u+8)-8u=2(u-2)-8 | | x+2+4x-16=180 | | 2x-4-6x=6x-54 | | L=2x+3 | | 4x+2(10)=12 | | 17y=289 | | 284.7=1/3•3.14(4)2h | | 65+90+x+50+80=180 | | -7x-2(x-5)=-71 | | 11x-5+5x+13=180 | | 6(x+3)-(3x-8)= | | 8a-7b-b= | | (8n-1)(n-1)=0 | | (3/2)(2x-3)-4(x-2)=12 | | 5x+3(3x-17)=5 | | l=2x-3 | | (H-8)(h-8)=0 | | -5x^2+3x+2=5x-2 | | x=0.60/0.90 | | n-21=-8n | | 4h-8=7 | | -11x^0= | | .5555555555555556(8+c)=-20 | | 5x+13+11x-5=180 | | 4p+5=10 | | 5(7c-1)-14=33c+5 |

Equations solver categories