21-6x=12-9x

Simple and best practice solution for 21-6x=12-9x 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 21-6x=12-9x equation:


Simplifying
21 + -6x = 12 + -9x

Solving
21 + -6x = 12 + -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.
21 + -6x + 9x = 12 + -9x + 9x

Combine like terms: -6x + 9x = 3x
21 + 3x = 12 + -9x + 9x

Combine like terms: -9x + 9x = 0
21 + 3x = 12 + 0
21 + 3x = 12

Add '-21' to each side of the equation.
21 + -21 + 3x = 12 + -21

Combine like terms: 21 + -21 = 0
0 + 3x = 12 + -21
3x = 12 + -21

Combine like terms: 12 + -21 = -9
3x = -9

Divide each side by '3'.
x = -3

Simplifying
x = -3

See similar equations:

| (x^2+11x+27)=3 | | 1/3-3p^6 | | 4t+2=3t+17 | | x=(3*85)-85-88 | | x=(3*85)+85+88 | | 40=180(x-2) | | 36=180(x-2) | | cosx=11x | | 32=180(x-2) | | X=1000+40x | | 20t+81=10t+121 | | 4z^4-3z^2-1=0 | | 67+3x+8y=d | | 67+3y+8x=d | | 67+8x+3y=d | | 20=180(x-2) | | 18-6x=12-8x | | z^4-2z^2-8=0 | | -14-13= | | 0=-x^2+12x+6 | | 2(p+15)+p+6+p-2=42 | | 2x*10=20 | | D=(3*89)-84-88 | | (g^4+4g)+(9g^4+7g)= | | 5a+7b-4a-9b=2x | | -8.375+0.125d+-0.375y=x | | -(x^2+11x+27)=3 | | 4(n-1)+2n=152 | | 230=93-x | | 2x+5y=400 | | x-2/7=-3 | | 1/4=8/32 |

Equations solver categories