7d+9=30

Simple and best practice solution for 7d+9=30 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 7d+9=30 equation: 


Simplifying
7d + 9 = 30

Reorder the terms:
9 + 7d = 30

Solving
9 + 7d = 30

Solving for variable 'd'.

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

Add '-9' to each side of the equation.
9 + -9 + 7d = 30 + -9

Combine like terms: 9 + -9 = 0
0 + 7d = 30 + -9
7d = 30 + -9

Combine like terms: 30 + -9 = 21
7d = 21

Divide each side by '7'.
d = 3

Simplifying
d = 3

See similar equations:

| -5(8+p)=-36-p | | 7z+4-z=-12 | | 1.8=3.4 | | x-6x=91 | | -7s+12=9a | | 9x+9+x-7(3+x)= | | x-4/42=14/84 | | r=32+5n | | .25(10-.67y)+y=10 | | -2x-x+27=19+8 | | 7.2=b-1.9 | | 51/x+11=15/5 | | 10x^2+40x+30=0 | | 720=15x+10x | | -8(x-5)+3x=34-4x | | 5151/x+11=15/5 | | 720=15x+10y | | 5/12W=10.14 | | -6=6+3v | | 5(m-6)-8(2m-5)=2m-8m | | 5x-7=45 | | 6y+4=4y+5 | | -8p-21=7(p-7)-8p | | 5k+2=5k | | 50=(52)5X | | y-12=57 | | 2(9)= | | 3(x-1)+1+2=2(2x+2)+x | | 30/48=15/x+9 | | 5.12W=10.14 | | 2.52-0.08p=0.38p | | -2(8-4p)=9+3p |

Equations solver categories