21+7d+3d-15=13d+15-3d-9

Simple and best practice solution for 21+7d+3d-15=13d+15-3d-9 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 21+7d+3d-15=13d+15-3d-9 equation:


Simplifying
21 + 7d + 3d + -15 = 13d + 15 + -3d + -9

Reorder the terms:
21 + -15 + 7d + 3d = 13d + 15 + -3d + -9

Combine like terms: 21 + -15 = 6
6 + 7d + 3d = 13d + 15 + -3d + -9

Combine like terms: 7d + 3d = 10d
6 + 10d = 13d + 15 + -3d + -9

Reorder the terms:
6 + 10d = 15 + -9 + 13d + -3d

Combine like terms: 15 + -9 = 6
6 + 10d = 6 + 13d + -3d

Combine like terms: 13d + -3d = 10d
6 + 10d = 6 + 10d

Add '-6' to each side of the equation.
6 + -6 + 10d = 6 + -6 + 10d

Combine like terms: 6 + -6 = 0
0 + 10d = 6 + -6 + 10d
10d = 6 + -6 + 10d

Combine like terms: 6 + -6 = 0
10d = 0 + 10d
10d = 10d

Add '-10d' to each side of the equation.
10d + -10d = 10d + -10d

Combine like terms: 10d + -10d = 0
0 = 10d + -10d

Combine like terms: 10d + -10d = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

See similar equations:

| F(x)=.52x+5040 | | F(x)=.52x+5040 | | z^2+7=0 | | sqrt(2x-1)=7 | | 3a+2b+2(5a)= | | x-x=14 | | sqrt(2t-1)=7 | | 210=-6(-3-4x) | | -5x-22=8 | | Y=.52x+5040 | | 1x+9y-8=0 | | 10x+19= | | 2+5=10+2 | | F(x)=(2x-3)(4x-5) | | 16m-24m+36=0 | | 7x-7x-x=14 | | 0=0.98b+0.02b | | 0=-7x+4(3x-6) | | -16t^2+vt+s=0 | | 2h-0.1=6.25 | | 7x+1=4-2x | | sin(x)*cos(4x)=sin(5x) | | 20x+30y=412.5 | | -42+10x=6x+70 | | 2x-5=61 | | z+7=4 | | 4.6z-6=3.6z-6 | | 21-4x=-27 | | 8x-4x+3x=7x+x+14 | | X^2=aX^2+25b^2-10ab | | 2x+12+9x-27=12+24 | | 8sqrtx=x+15 |

Equations solver categories