12x+3=6x-21

Simple and best practice solution for 12x+3=6x-21 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 12x+3=6x-21 equation:


Simplifying
12x + 3 = 6x + -21

Reorder the terms:
3 + 12x = 6x + -21

Reorder the terms:
3 + 12x = -21 + 6x

Solving
3 + 12x = -21 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
3 + 12x + -6x = -21 + 6x + -6x

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

Combine like terms: 6x + -6x = 0
3 + 6x = -21 + 0
3 + 6x = -21

Add '-3' to each side of the equation.
3 + -3 + 6x = -21 + -3

Combine like terms: 3 + -3 = 0
0 + 6x = -21 + -3
6x = -21 + -3

Combine like terms: -21 + -3 = -24
6x = -24

Divide each side by '6'.
x = -4

Simplifying
x = -4

See similar equations:

| 3x-8-4x=9 | | lne^2a= | | 9y+3-3y+9= | | 2x+4(-8x)=0 | | 4r+4=18r+6 | | s=5h+5u | | 6r+5-7r=21 | | 2(3x+6)=-12 | | 2lnx-2=0 | | x+5/10=8/5+x-7/2 | | 4(7-2x)=-10x-2 | | ln(1+2x)-x=0 | | -m=50 | | (14V+2T-8)(7V+T+4)= | | -3=7x-10 | | -9-4x=2x+9 | | (x-2)x+(2-x)3x= | | x+9/10=2/5+x-8/8 | | 2+x-5=3-4x | | 24-3x=x | | 1200=7v^2+300 | | 6x+1=5X^2 | | 1200=7x^2+300 | | 4x^4+8x^2-12= | | 648x/7=16 | | 2x^2+21x-9=0 | | -2+3(-2+6)-(-10)=-16 | | 12x-4=2-5x | | x^2+7x=78 | | -9[3+9(-8+9)]+14= | | 2a^3-16b^3= | | 25a^2+20a+3= |

Equations solver categories