21x+12=12x+21

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


Simplifying
21x + 12 = 12x + 21

Reorder the terms:
12 + 21x = 12x + 21

Reorder the terms:
12 + 21x = 21 + 12x

Solving
12 + 21x = 21 + 12x

Solving for variable 'x'.

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

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

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

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

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

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

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

Divide each side by '9'.
x = 1

Simplifying
x = 1

See similar equations:

| (5x+30)+(3x+15)+(4x-45)= | | 3/4x3/4x3/4x | | 4(10/3) | | a(3a-4)-3a(2a-3)= | | 300-342345+34654742-88= | | x^2+0.06x-0.6=0 | | x^2+0.06x+0.6=0 | | 3x+6=4x+27 | | 5.3=8.1-0.7x | | X^2+x(2-m)+2m=0 | | X^2+(2-m)x+2m=0 | | 0.4n+40= | | 5x+4x=2x+35 | | 0.2n+9= | | 0.125+3=10 | | 10x+9(x-2)=24 | | 7b+4=6b+7 | | 6+3x=3+x | | X^2-32x=-220 | | 9a-7=-295 | | (2a-1)(a+5)= | | 8c+18=24 | | -11-r=72 | | Xyz=4z | | (6/2)-(3/0)= | | 3r-8=-80 | | 3x+1+3x+7= | | 8s+6=-146 | | -24x+18=6x^2 | | C=-0.5x+35 | | 4r+6=126 | | 3z=2.3 |

Equations solver categories