4d+9-d+1=31

Simple and best practice solution for 4d+9-d+1=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 4d+9-d+1=31 equation:


Simplifying
4d + 9 + -1d + 1 = 31

Reorder the terms:
9 + 1 + 4d + -1d = 31

Combine like terms: 9 + 1 = 10
10 + 4d + -1d = 31

Combine like terms: 4d + -1d = 3d
10 + 3d = 31

Solving
10 + 3d = 31

Solving for variable 'd'.

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

Add '-10' to each side of the equation.
10 + -10 + 3d = 31 + -10

Combine like terms: 10 + -10 = 0
0 + 3d = 31 + -10
3d = 31 + -10

Combine like terms: 31 + -10 = 21
3d = 21

Divide each side by '3'.
d = 7

Simplifying
d = 7

See similar equations:

| 1/9x+1=-6 | | 14+x=26+x | | -7(-6n-5)=7(6n-4) | | 6y-36=3y+10 | | 5(2-3x)=-8+-6x | | 7+7p-6=9p+7-4p | | 1/40+8=2 | | -4z-8=-3z+3 | | 1234x=2 | | 6+4(6-4n)=-40-2n | | 192/12 | | t-14=27 | | 4x+12=8x-24 | | 44/24 | | 5(2-3x)=-8-6x | | x+2(-4x-4)=-5x-4 | | 2x-(x-4)=8 | | -12-4x=2x+12 | | 0.05(228-x)+0.07x=48 | | 3(6+15X)=9(5X-1) | | x^2-6x-7=O | | 4-48= | | -1+3(-8p+2)=149 | | 3x-28+x=3x-30 | | 3c-4+1=5c+5 | | 28-7a=-7(a-4) | | 7.1+x=2.2 | | 4/y2+3/4y-2/5y | | a=.5obh | | 4f+(6f-18)=92 | | 3c-4+1=5c | | 180/x+16x=144 |

Equations solver categories