2x+12=21-9x

Simple and best practice solution for 2x+12=21-9x 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 2x+12=21-9x equation:


Simplifying
2x + 12 = 21 + -9x

Reorder the terms:
12 + 2x = 21 + -9x

Solving
12 + 2x = 21 + -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
12 + 2x + 9x = 21 + -9x + 9x

Combine like terms: 2x + 9x = 11x
12 + 11x = 21 + -9x + 9x

Combine like terms: -9x + 9x = 0
12 + 11x = 21 + 0
12 + 11x = 21

Add '-12' to each side of the equation.
12 + -12 + 11x = 21 + -12

Combine like terms: 12 + -12 = 0
0 + 11x = 21 + -12
11x = 21 + -12

Combine like terms: 21 + -12 = 9
11x = 9

Divide each side by '11'.
x = 0.8181818182

Simplifying
x = 0.8181818182

See similar equations:

| 5e-9=12 | | 2x+1=2(x-3) | | 3p=0.9 | | 2/3+k=1/6 | | m^2-4m-11=10 | | 4t^3+25t=0 | | 5(a+1)=30 | | 49=9c-5 | | 4y=-12x-24 | | 3x+8=2(x+4)+x | | 8e-8=56 | | 2/5x=28 | | 1/4(x-3)=2 | | (x+4)/2=3x-3 | | 25=28 | | 4(x+3)+4=20 | | x+4/2=3x-3 | | 4x^2+4-15=0 | | 2w+6w+3= | | X/3+2=-7 | | 2m+3+6m=-7+8m+10 | | 7/3=-9m | | r+3=100 | | 9(3-z)/8=-z | | 5w-25=25 | | 3x/6+2=8 | | 2v+2=4 | | 6.3/9 | | 2(x-4)=(x+1)/3 | | x^2+2*x+1=17 | | 2y^2+14y+49=0 | | 3x-3=6x-14/12 |

Equations solver categories