3x+9+3x=81

Simple and best practice solution for 3x+9+3x=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 3x+9+3x=81 equation: 


Simplifying
3x + 9 + 3x = 81

Reorder the terms:
9 + 3x + 3x = 81

Combine like terms: 3x + 3x = 6x
9 + 6x = 81

Solving
9 + 6x = 81

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 6x = 81 + -9

Combine like terms: 9 + -9 = 0
0 + 6x = 81 + -9
6x = 81 + -9

Combine like terms: 81 + -9 = 72
6x = 72

Divide each side by '6'.
x = 12

Simplifying
x = 12

See similar equations:

| 4x-3=2x-8 | | 8x+3=7x-1 | | X-3+4x=22 | | 3x-10=x*x | | x^4-6x^2+9=4 | | -18=-6x+3x-9 | | 6x+7=-23 | | 5x+2=18-3x | | 7x+12=98 | | .4(y+3)=g | | 11x+5=-6 | | -3(t+6r)=14-r | | y=24-2(5.666666667) | | -4k+2(5k-6)=-3-39 | | 24-2x+10=4x | | 11x+8=x+48 | | 2x-5=7x+1 | | ln(x^3)+ln(x^2)-ln(2)=0 | | ln(x^3)+ln(x^2)-2=0 | | 2013-1969= | | 6x+14-4x+20=4x+1 | | ln(x^3)+ln(x^2)=0 | | x^2+4x+1=-2x-4 | | 24x-7=16x+23 | | 15x-3x= | | 5x+1=24 | | 3[x+6]=12 | | 2a-2+3a=-1-a | | 25n^2-64=0 | | 23x-98=63 | | (2y+1)+2y=5 | | 4y-3=12-y |

Equations solver categories