6d+9=3(d-1)

Simple and best practice solution for 6d+9=3(d-1) 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 6d+9=3(d-1) equation:


Simplifying
6d + 9 = 3(d + -1)

Reorder the terms:
9 + 6d = 3(d + -1)

Reorder the terms:
9 + 6d = 3(-1 + d)
9 + 6d = (-1 * 3 + d * 3)
9 + 6d = (-3 + 3d)

Solving
9 + 6d = -3 + 3d

Solving for variable 'd'.

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

Add '-3d' to each side of the equation.
9 + 6d + -3d = -3 + 3d + -3d

Combine like terms: 6d + -3d = 3d
9 + 3d = -3 + 3d + -3d

Combine like terms: 3d + -3d = 0
9 + 3d = -3 + 0
9 + 3d = -3

Add '-9' to each side of the equation.
9 + -9 + 3d = -3 + -9

Combine like terms: 9 + -9 = 0
0 + 3d = -3 + -9
3d = -3 + -9

Combine like terms: -3 + -9 = -12
3d = -12

Divide each side by '3'.
d = -4

Simplifying
d = -4

See similar equations:

| 7(18)+9y=63 | | -8=-(3y-22) | | 4.19=6.25-y | | 4(2j+5)=15+7j | | -16+x=4(3x+7) | | 14-2u=3u-13(u-6) | | 2x-4=y-4 | | 4s+12=3(2s-1)+21 | | 9x^2=95 | | y-4=2x-5 | | 10+Y=21 | | 4d-36=-3 | | 2y-13=2y-5 | | (X+10)+(x+10)=90 | | 2y-5=2y-13 | | 3f+2(f+3)=3f+24 | | 9x^2-7x+1=0 | | -9x+13x-93=43 | | x-20=230 | | 3x+16=-5x-14 | | -2x(16x+3x-7)= | | 4x+3+2x=x+3 | | -(-5/2x-3/2)-x=-3/2 | | 5+3(r-4)=11 | | X+48=(7x)-29 | | 4+5d=34 | | 3x-5=2x-(4-x)-1 | | 180=5x+6+8x+18 | | 3z=-6x-18 | | .75x-5x=22 | | -(1+7b)-6(-7-b)=36 | | [-3/7][-8/9] |

Equations solver categories