9+9d=8d-12

Simple and best practice solution for 9+9d=8d-12 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 9+9d=8d-12 equation:


Simplifying
9 + 9d = 8d + -12

Reorder the terms:
9 + 9d = -12 + 8d

Solving
9 + 9d = -12 + 8d

Solving for variable 'd'.

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

Add '-8d' to each side of the equation.
9 + 9d + -8d = -12 + 8d + -8d

Combine like terms: 9d + -8d = 1d
9 + 1d = -12 + 8d + -8d

Combine like terms: 8d + -8d = 0
9 + 1d = -12 + 0
9 + 1d = -12

Add '-9' to each side of the equation.
9 + -9 + 1d = -12 + -9

Combine like terms: 9 + -9 = 0
0 + 1d = -12 + -9
1d = -12 + -9

Combine like terms: -12 + -9 = -21
1d = -21

Divide each side by '1'.
d = -21

Simplifying
d = -21

See similar equations:

| 15+4g=33 | | 3x/23=2 | | =200+25+.02x | | 20x-7=-18-3 | | 3=-.018x^2+.25x-2.3 | | 2t^2+9t+7=0 | | 32+6x=44 | | 0=18x-9x^2 | | 66=3+n(5+4) | | 7-16-4= | | 12y-16=20 | | 66=3(5+4n) | | -3x(2x+5)=0 | | 6=8(s-75)-20 | | 5x^2+6x+5=32 | | 5x(5x)+6x+5=32 | | -8+15x+14=10x+12-8 | | (64x+8)-(10-3)= | | (12a^5-6a-10a^3)-(10a-2a^5-14a^4)= | | 64x+8=0 | | c^2+7c+18=0 | | (3-6n^5-8n^4)-(-6n^4-3n-8n^5)= | | 2x+5x+7+3x= | | 16=6z-20 | | (-4k^4+14+3k^2)+(-3k^4-14k^2-8)= | | (w+6)(w+11)=0 | | x^2+3x-10=o | | 5(4a-4)=-60 | | (3x^4-3x)-(3x-3x^4)= | | -14(3a+6)=12(6-4a) | | -5x-2y=12 | | 7-4x-7x=-48 |

Equations solver categories