12x-21=6x+3

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


Simplifying
12x + -21 = 6x + 3

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

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

Solving
-21 + 12x = 3 + 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.
-21 + 12x + -6x = 3 + 6x + -6x

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

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

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

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

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

Divide each side by '6'.
x = 4

Simplifying
x = 4

See similar equations:

| 5x-3+2x=2x+12 | | 4(3+2)=32 | | -3(2-4x)=10x | | 16-b=24 | | 2(2x-5)=10 | | 2ab+2= | | 6+x=-2x-6 | | 7x*12=15 | | 2x-6=6x+14 | | -4-a=11 | | 6x*12= | | X^2-49=0 | | 3x=12*13 | | (4x-14)(3x+12)= | | 1x=25*12 | | 42-6x+x=17 | | 3m-9m=3 | | 8p+10p+4p+19p= | | 3X^2-45=0 | | 3x+5=29 | | 6x+11x=1+11 | | -7(w-2)=5(3-w) | | x^2-3x-4=0 | | Y=X^2+2X-5 | | 2x-5=x-10 | | (6+x)(3x+11)= | | 6x+3=2x+39 | | X^2-5X=0 | | 5y+3=4y+11 | | x+(x*0.34)=12 | | P^2-18P+81=0 | | x+(x*y)=10 |

Equations solver categories