x^+2x=81

Simple and best practice solution for x^+2x=81 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 x^+2x=81 equation: 



x^+2x=81

We move all terms to the left:

x^+2x-(81)=0

We add all the numbers together, and all the variables

3x-81=0

We move all terms containing x to the left, all other terms to the right

3x=81

x=81/3

x=27

See similar equations:

| (9-i)-(8-i)=0 | | 8+v/2=2 | | 10x+7x=33 | | 3(1-9)=-4r-43 | | -1.8+0.7x=14.3 | | -11x+12=-21 | | t/4+4=8 | | 2x+13+3x+20=7x+7 | | 2x+13+3+20=7x+7 | | 2-x=5+10-x | | 2n+11=-5n+18 | | 3/x+4=5+ | | 8x+28-2x=-10 | | O.5x=14;x | | 13b-9b+4b=16 | | 3/x+4=5+6/x | | 15=s/4+13 | | 14y-10y-3y+2y=3 | | 15=s,4+13 | | -3(a-21)=12 | | 20z-17z+-6=6 | | 12y-6y-6y+y=15 | | f+1/4=7.2 | | 5t-t-t+t-2t=20 | | 13m-10m-m-2m+m=20 | | 16x^2-16x+4=1 | | 3x=500-335 | | 6x+7-9x=-4 | | 4÷y=10 | | 6x+7-9x=-3 | | -42=-13+4/3a | | 12r+r-12r=8 |

Equations solver categories