9+2d(4d+1)-5d=7-8d(1-d)

Simple and best practice solution for 9+2d(4d+1)-5d=7-8d(1-d) 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+2d(4d+1)-5d=7-8d(1-d) equation:


Simplifying
9 + 2d(4d + 1) + -5d = 7 + -8d(1 + -1d)

Reorder the terms:
9 + 2d(1 + 4d) + -5d = 7 + -8d(1 + -1d)
9 + (1 * 2d + 4d * 2d) + -5d = 7 + -8d(1 + -1d)
9 + (2d + 8d2) + -5d = 7 + -8d(1 + -1d)

Reorder the terms:
9 + 2d + -5d + 8d2 = 7 + -8d(1 + -1d)

Combine like terms: 2d + -5d = -3d
9 + -3d + 8d2 = 7 + -8d(1 + -1d)
9 + -3d + 8d2 = 7 + (1 * -8d + -1d * -8d)
9 + -3d + 8d2 = 7 + (-8d + 8d2)

Add '-8d2' to each side of the equation.
9 + -3d + 8d2 + -8d2 = 7 + -8d + 8d2 + -8d2

Combine like terms: 8d2 + -8d2 = 0
9 + -3d + 0 = 7 + -8d + 8d2 + -8d2
9 + -3d = 7 + -8d + 8d2 + -8d2

Combine like terms: 8d2 + -8d2 = 0
9 + -3d = 7 + -8d + 0
9 + -3d = 7 + -8d

Solving
9 + -3d = 7 + -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 + -3d + 8d = 7 + -8d + 8d

Combine like terms: -3d + 8d = 5d
9 + 5d = 7 + -8d + 8d

Combine like terms: -8d + 8d = 0
9 + 5d = 7 + 0
9 + 5d = 7

Add '-9' to each side of the equation.
9 + -9 + 5d = 7 + -9

Combine like terms: 9 + -9 = 0
0 + 5d = 7 + -9
5d = 7 + -9

Combine like terms: 7 + -9 = -2
5d = -2

Divide each side by '5'.
d = -0.4

Simplifying
d = -0.4

See similar equations:

| 1/2(2x-4)=12 | | 2x+2=x+7 | | 3z^2-22-16= | | 3b^3+b-10=0 | | 10a-4a+9= | | 5z^2-28z+15= | | 4(1-8n)=-156 | | 12x-125-5x=43 | | 7x-11=3x-2 | | 3xy+x=15 | | 2x+x^2=21 | | -10.8q+1.8=-17.8-1.0q | | 5(-x+3)-2=9x+7 | | 3x^3-13x^2+13x-3=0 | | 11x-8x-29=52 | | 77-7x=28 | | 6b-(b-3)= | | 2c+3=4(c-1) | | 4-9y+4=28 | | (1-2x)(4+3x)= | | 8y=16x | | 2x-3(x+4)=13 | | 17-6m=5(m-8)+2 | | 1.50x+0.85(12-x)=14.75 | | 2=v-(-v+2) | | sin^2+cos^2=1 | | 1=2x(x-2)-[5-2x(10x)] | | 4-5(2x+3)=9 | | 14y+7=y | | 7(3-x)=-21 | | 6x+10=12+3x | | m-3=15 |

Equations solver categories