12d-21=31

Simple and best practice solution for 12d-21=31 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 12d-21=31 equation: 


Simplifying
12d + -21 = 31

Reorder the terms:
-21 + 12d = 31

Solving
-21 + 12d = 31

Solving for variable 'd'.

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

Add '21' to each side of the equation.
-21 + 21 + 12d = 31 + 21

Combine like terms: -21 + 21 = 0
0 + 12d = 31 + 21
12d = 31 + 21

Combine like terms: 31 + 21 = 52
12d = 52

Divide each side by '12'.
d = 4.333333333

Simplifying
d = 4.333333333

See similar equations:

| 4x+8=2x+20 | | 4x-8+2x=4 | | 2(2)+6= | | 5(a+4)=30 | | 6(2x^2+3x-5)= | | 20x=40+15x | | m+m=2m | | 10x=16+6x | | 1+3m=3 | | 63w=7623 | | 2(x-1)+3x=14 | | 3x(5x-4)= | | m^2-6m-19=-7 | | 2x-4=-3 | | 13/8=a+22/6 | | 3x-15=x(x)-x-20 | | -27b+23=-4-8b | | 3d=7d-7d | | -6x+8-2x=16 | | 1/3x+1=7 | | x/3+6=-12 | | 7-0.75x=-7(9.3x+1) | | 6x-10-4x=7-2x | | (x-5)(x+55)(5x-1)=0 | | x/5+1/2=x/6 | | 2(b/3)=14 | | v+9v= | | 2x-3=-2(1.5-x) | | m-6=18 | | m-5n= | | a-7/2.5=10 | | 5(x-2)-2(x-5)=9 |

Equations solver categories