2d+6=-21-7d

Simple and best practice solution for 2d+6=-21-7d 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 2d+6=-21-7d equation:


Simplifying
2d + 6 = -21 + -7d

Reorder the terms:
6 + 2d = -21 + -7d

Solving
6 + 2d = -21 + -7d

Solving for variable 'd'.

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

Add '7d' to each side of the equation.
6 + 2d + 7d = -21 + -7d + 7d

Combine like terms: 2d + 7d = 9d
6 + 9d = -21 + -7d + 7d

Combine like terms: -7d + 7d = 0
6 + 9d = -21 + 0
6 + 9d = -21

Add '-6' to each side of the equation.
6 + -6 + 9d = -21 + -6

Combine like terms: 6 + -6 = 0
0 + 9d = -21 + -6
9d = -21 + -6

Combine like terms: -21 + -6 = -27
9d = -27

Divide each side by '9'.
d = -3

Simplifying
d = -3

See similar equations:

| y^3-3y=9 | | 2(x-7)=10x+8 | | 17=12x | | 1x+9=5(4x-2) | | x^2-4x-133.25=0 | | 16x^2-48x-13=0 | | 2x+10x-3=x+15x-9 | | 4y^2+y-5=0 | | 3(2t-5)+2t=30-y | | 18-2n=4n-6 | | -5-2m=-5-5m+2m | | 6(6)+9y=54 | | v-7=4 | | -k-6k=-7-8k | | 30x-6=84 | | 2(4q+6)=4(3+2q) | | Ln(x-6)=4 | | 3x+1+4x-17=5x+20 | | 4(8x+8)+7=-121 | | 6(6n+8)=-240 | | n(2n+6)=108 | | 2w+13=5w-8 | | 7v-6v=-1 | | -5m=-754 | | 3m^2=9m+84 | | (R+3)(r+4)= | | 3(-2-3x)=-9(x-4) | | -5a-7a=-8a-12 | | -5=-8 | | -7x+3x=-6x+8 | | y-2=-32 | | 3x^2+28x-49=0 |

Equations solver categories