7d-9=3d-1

Simple and best practice solution for 7d-9=3d-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 7d-9=3d-1 equation:


Simplifying
7d + -9 = 3d + -1

Reorder the terms:
-9 + 7d = 3d + -1

Reorder the terms:
-9 + 7d = -1 + 3d

Solving
-9 + 7d = -1 + 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 + 7d + -3d = -1 + 3d + -3d

Combine like terms: 7d + -3d = 4d
-9 + 4d = -1 + 3d + -3d

Combine like terms: 3d + -3d = 0
-9 + 4d = -1 + 0
-9 + 4d = -1

Add '9' to each side of the equation.
-9 + 9 + 4d = -1 + 9

Combine like terms: -9 + 9 = 0
0 + 4d = -1 + 9
4d = -1 + 9

Combine like terms: -1 + 9 = 8
4d = 8

Divide each side by '4'.
d = 2

Simplifying
d = 2

See similar equations:

| -6*2=x | | 4.45x=216.59 | | 5x^2+3x-14=-70 | | y-7=.25(y+2) | | 7x+3.95=12.63 | | -17+5=x | | 9-4x=6x+2-3x | | 6n-34=7(n-4) | | 4x+25=75 | | 2y+6=y+3 | | 17+2n=21+2n | | 5*543*234+43242-43242=h+342234-42352*5 | | 12(1)-14=-2 | | 4(x+7)=7+x | | 5*543*234+43242-43242=h | | 6-h=5 | | 8x-3-5x=2x+7 | | 20=4(-2x-3) | | 5d-4=2d+6 | | 12x-14=-2 | | -24x^2+x+3=0 | | r(r-14)=-49 | | x=2y+6 | | 9+16= | | m(m-15)+5(m-4)=-41 | | 8(1-4a)=8+2a | | x^2+4-49=0 | | 20=(-2x-3) | | 13m=15m+14 | | -22-3d=-2d+d-3d | | 12=5x+4-4x | | 2(x+2)(x+2)+5=11 |

Equations solver categories