(3d-7)-(d-2d)=

Simple and best practice solution for (3d-7)-(d-2d)= 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 (3d-7)-(d-2d)= equation:


Simplifying
(3d + -7) + -1(d + -2d) = 0

Reorder the terms:
(-7 + 3d) + -1(d + -2d) = 0

Remove parenthesis around (-7 + 3d)
-7 + 3d + -1(d + -2d) = 0

Combine like terms: d + -2d = -1d
-7 + 3d + -1(-1d) = 0

Remove parenthesis around (-1d)
-7 + 3d + -1 * -1d = 0

Multiply -1 * -1
-7 + 3d + 1d = 0

Combine like terms: 3d + 1d = 4d
-7 + 4d = 0

Solving
-7 + 4d = 0

Solving for variable 'd'.

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

Add '7' to each side of the equation.
-7 + 7 + 4d = 0 + 7

Combine like terms: -7 + 7 = 0
0 + 4d = 0 + 7
4d = 0 + 7

Combine like terms: 0 + 7 = 7
4d = 7

Divide each side by '4'.
d = 1.75

Simplifying
d = 1.75

See similar equations:

| x^2-44x+1600=0 | | 3x-5=7x+2 | | 0=-6+x^2+ABS(x) | | 6-x^2=ABS(x) | | 2x+29=9x+50 | | 9z-z=-3+5z-1-5 | | 4x^2+64y^2=64 | | 3.2x=2.24 | | 25=.99x | | 160=120+.15x | | 160=120 | | 6a-18=2a-10a+11 | | y^2=x+25 | | 2x-3y+0=0 | | -3x+y+0=0 | | 3c^6-6c^5-45c^4= | | 0.10*0.5+0.35g=0.15*g+0.5 | | 45d^3+36d^2-5d-4=0 | | logx=77 | | logqe=0.001 | | -2=1.6x+1 | | -3=1.6x+1 | | 12(v+3)-4v=4(2v+3)-19 | | m=e-.866p+3w | | v^2+8v-16=0 | | 2x^4-12x^3-3x^2-6x-2=0 | | 401.8=0.2x | | 6n+7=3n-2+4n+2 | | 0.15+0.30g=0.20g+0.20 | | 2.6k=22.1 | | 2.6m+9.2+2.1m=-4.9+4.7m+14.1 | | 2n+mn+18+9n= |

Equations solver categories