11d+7=9d+21

Simple and best practice solution for 11d+7=9d+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 11d+7=9d+21 equation:


Simplifying
11d + 7 = 9d + 21

Reorder the terms:
7 + 11d = 9d + 21

Reorder the terms:
7 + 11d = 21 + 9d

Solving
7 + 11d = 21 + 9d

Solving for variable 'd'.

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

Add '-9d' to each side of the equation.
7 + 11d + -9d = 21 + 9d + -9d

Combine like terms: 11d + -9d = 2d
7 + 2d = 21 + 9d + -9d

Combine like terms: 9d + -9d = 0
7 + 2d = 21 + 0
7 + 2d = 21

Add '-7' to each side of the equation.
7 + -7 + 2d = 21 + -7

Combine like terms: 7 + -7 = 0
0 + 2d = 21 + -7
2d = 21 + -7

Combine like terms: 21 + -7 = 14
2d = 14

Divide each side by '2'.
d = 7

Simplifying
d = 7

See similar equations:

| 8(x+1)=64 | | 2u+14=-8(u-5) | | 12x+6x^2=0 | | 4x^2=19+30 | | log×(64/27)=3 | | 3x-14=8x+10 | | 4x+3(5x+13)=-132 | | 13x-1=-16 | | 24x+9=-16x^2 | | x-1/2-x-2/3=1/4 | | 6x-5(x+10)=-42 | | 4y-5=y+10 | | 2ab-7ab+6ab-3ab= | | 2x-15=9x+3 | | Z=4-6 | | 31=7x+4(-4x-17) | | Z=-2-6 | | 4y-48=20 | | 2x+6-X-4=0 | | (2r-8)(4r-7)=0 | | 6x-5(x+10)=42 | | 5-x=8x+17 | | 20-8/t=18 | | 4y-64=20 | | (2x-8)(4R-7)=0 | | 4y-16x=20 | | 14x-313=4x-13 | | x^2-16x-294=0 | | 3+55x=33x+21 | | .25x-17.5=3 | | 12x=97 | | -5x+6(-2x+16)=36 |

Equations solver categories