3u+12=42

Simple and best practice solution for 3u+12=42 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+12=42 equation:



3u+12=42
We move all terms to the left:
3u+12-(42)=0
We add all the numbers together, and all the variables
3u-30=0
We move all terms containing u to the left, all other terms to the right
3u=30
u=30/3
u=10

See similar equations:

| -5+18h=6(3h-2)+7 | | 7x-74=4x-11 | | 72=10(-7-9e)+90e | | -9x1=80 | | 2x+4=7-4x | | 7/2x+1/2x=3 | | -69=-8x-5 | | 2x+4=10-3 | | y/5-5=13 | | 4(b-6)=-24+4b | | 9x-25=49 | | 1/4(5x+16/3)+-2/3(3/4x+1/2)=5 | | 12x+7=-7 | | 21(e+5)-42=7(3e+9) | | 55x+54=21 | | 1/4(5x+16/3)+-2/3(3/4x+1/2)=-5 | | 1/4(5x+16/3)=-2/3(3/4X+1/2)-5 | | 4x+1=9x+1 | | -3m+(-18)=-51 | | 9=r-10 | | 7x=26x-6x | | 7-2b=8+3b | | -3x^2+48x-180=0 | | -3x^2+72x-420=0 | | 2^4x-1=x+7 | | 100=80+4f | | 5x+5-3x-2=54 | | 10x+1=5x+4 | | (9-7x)•3=-(11x+2)-11 | | 21a+15=0 | | 5(n-78)=35 | | (3x+1=2x+4)+90=180 |

Equations solver categories