3d-21=24-2d

Simple and best practice solution for 3d-21=24-2d 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 3d-21=24-2d equation:


Simplifying
3d + -21 = 24 + -2d

Reorder the terms:
-21 + 3d = 24 + -2d

Solving
-21 + 3d = 24 + -2d

Solving for variable 'd'.

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

Add '2d' to each side of the equation.
-21 + 3d + 2d = 24 + -2d + 2d

Combine like terms: 3d + 2d = 5d
-21 + 5d = 24 + -2d + 2d

Combine like terms: -2d + 2d = 0
-21 + 5d = 24 + 0
-21 + 5d = 24

Add '21' to each side of the equation.
-21 + 21 + 5d = 24 + 21

Combine like terms: -21 + 21 = 0
0 + 5d = 24 + 21
5d = 24 + 21

Combine like terms: 24 + 21 = 45
5d = 45

Divide each side by '5'.
d = 9

Simplifying
d = 9

See similar equations:

| -9x+8y=1 | | -9u-5=u^2-5u+4 | | 7w+14=28 | | 9/7a-1/29 | | -4=-4x+16 | | 8x+5y=-60 | | x(x-10)-1=0 | | -7(6y-u-5)= | | x^2-3=7 | | (3x/x-3)-(x/x-2) | | 29=5-(-3c+21)+2c | | 6x-4(x+1)=0 | | 15x+5(3x-15)=15 | | 12-3(x-5)=24 | | 6v+18-9v=-12 | | 5(n+12)+4n=114 | | x^4+5x^3+14x^2+4x=24 | | n-9-4n=-39 | | a-4y= | | 10-x=20-3x | | 37+9=n | | -8=2(3x-1)-2(4x-3) | | 20k^3+4k^2-45k-9=0 | | -(5/4w+20)+1=5/w+5 | | y=5x/6+7 | | r^2-16r=0 | | 5(5+2x)-20=15 | | m^3-m^2+3=0 | | 9b-9+15-5b=2 | | 9c=44-c | | 10x^2+28x-48= | | 4x^4-16x^2-128=0 |

Equations solver categories